How does the exchange of oxygen and carbon dioxide occur in the lungs and tissues ?

Answers

Answer 1

Answer:

Gas exchange happens in the alveoli in the lungs and the capillaries that envelop them. When you  inhale oxygen, this one  moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli. In simple words the exchange comes from the inhalation and exhalation of gases


Related Questions

In rabbits, brown fur is dominant over white fur. Fur color in rabbits is an autosomal trait (not s3x-linked). Two heterozygous rabbits are crossed. What is the probability of producing a white rabbit?

Answers

This punnet square should help

What kind of vegetation would you most likely expect to find in the chaparral biome?
a.
deciduous trees
b.
tall grasses
c.
hardy shrubs
d.
tall pine trees

Answers

Hardy shrubs is the kind of vegetation would you most likely expect to find in the chaparral biome.

What is Chaparral biome?

This type of biome is characterized by hot and dry summers and mild winter period.

It is composed of mostly hardy shrubs and is susceptible to fire during late summer period.

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Answer:

C. hardly shrubs

Source:

trust me bro

The adoptation of peast uprising

Answers

Answer:Also known as "Peasant wars"; peasant uprisings in broad usage, were a number of rural-based rebellions from the seventeenth to the twentieth centuries, a typical form of protest in Russia against socioeconomic, religious, and cultural oppression and, occasionally, against political power holders. Peasant uprisings …

Explanation:


2. Match the description with the type of mammal:
• give birth to live young but then carry the tiny babies in a special pouch until they are fully developed
• babies can feed off of the milk in the pouch of their mothers.
• do not have nursing nipples,their babies simply lick the milk from the mammary glands on the skin
• found in Australia for the most part except for the opossum
O marsupials
O monotremes
O placentals

Answers

Answer:

marsupials

eg. Kangaroo

What are some producers, consumers,
scavengers, and decomposers you have seen in your
neighborhood?

Answers

Answer:

Producers: oak trees, flowers, maybe pine trees

Consumers: Squirrels, spiders, dogs, cats

Decomposers: Wild mushroom, fungus on rotting food

Scavengers: Crows, possums, ants

Explanation:

the method for determining energy expenditure in which the amount of oxygen a person uses is measured is called

Answers

Answer:

In indirect calorimetry, energy expenditure is determined by measuring the amount of oxygen consumed and carbon dioxide produced.

Explanation:

(04.04 MC)
Which of the following substances is needed during light-independent reactions to create glucose during photosynthesis?
Oxygen
Solar energy
Carbon dioxide
Water

Answers

Answer:

c) Carbon dioxide

Explanation:

Carbon dioxide is needed during light - independent reactions to create glucose during photosynthesis. Hence, option (c) is the correct answer.

Give a example of something being low supply what can happens to prices

Answers

If there is a decrease in supply of goods and services while demand remains the same, prices tend to rise to a higher equilibrium price and a lower quantity of goods and services.

Why does it help to organize data in a table?

Answers

Answer:

Organized data allows you to examine or analyze the data for patterns.

Explanation:

Answer:

Quality work and knowledge.

Explanation:

Keeping your data organized in a table will help you undertsand what youre looking at and how you can use it. Maximum organization keeps your mind organized as well.

Suppose a hare spotted a coyote and tried to run away. Coyotes can run at a speed of 70 km/h. Hare's can run at a speed of 65 km/h. How far could the hare run before the coyote catches up? assume the hare is 25 m from the coyote

Answers

Answer: 0.35 km or 350 m

Explanation:

      The coyote runs 70 km/h

      The hare runs 65 km/h

      The coyote is 5 km/h faster than the hare

      The hare is 25 m away, 0.025 km

      I will graph this. x is the time passed, y is the distance. The point of intersection is when the coyote catches up.

(0.005, 0.35)

    -> The hare can run 0.35 km before the coyote catches up.

Abiotic factors that characterize a forest ecosystem include.

Answers

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soillighttemperaturemineralsrockswater

What is an example of a voltaic cell and an electrolytic cell used in everyday life?

Answers

Electrolytic cells are less common in everyday life, although they are important in many industrial operations, as in the electroplating of metals.

What is an example of a voltaic cell?

Daniell cell is a galvanic cell. One example of a galvanic cell is the common household battery. The electrons flow from one chemical reaction to another occurs through an external circuit that results in the current.

Thus,Electrolytic cells are less common in everyday life, although they are important in many industrial operations.

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What do phloem tissues do?

Answers

Answer:

Conducts foods made in the leaves during photosynthesis to all other parts of the plant

Answer:

Conducts foods made in the leaves during photosynthesis to all other parts of the plant.

Explanation:

Phloem tissues are found in plants and distributes food made from photosynthesis to the whole plant.

The cells control center

Answers

Answer:

The BRAIN!

Explanation:

Our brain, the control center of the nervous system and the rest of the body, normally allows us to retain and recall information.

human population increase as medical care improves and becomes more available true or false

Answers

True, humans live longer and thus are still around when others enter the world

Which of the following is a data piece a demographer would NOT be interested in when studying demography

A. Fertility
B. Mortality
C. Jobs
D.Migration

Answers

Answer:

C. Jobs

Explanation:

Demography is usually defined as the science of vital and social statistics, as of births, deaths, diseases, marriages etc. of populations.

This means that a demographer study both birth and death rates as they focus on human characteristics.

In demography, fertility is the birthrate of a population. Or in other words, the ability to produce offspring in a population. Mortality is the opposite of fertility; the death rate of a population. Both of these things are something that a demographer would study as they relate to the continuation of human society. Migration though, is a demographic process in which people migrate between different locations or places, resulting in a contribution to a population. So to explain the demographic terms, international migration takes an impact on a population with its age and size structure resulting in an indirect influence on the rate of future births in a population. This means that a overall, fertility, mortality, and migration all are therefore things that a demographer would study. After using process of elimination between the options, there is one left over, which is:

Option C - Jobs

a thermometer with measurements divided into tenths is more ____ than a thermometer with measurements divided into whole numbers​

Answers

Answer:

Accurate would be the answer I believe.

Explanation:

A thermometer would be more accurate in tenths because it can get much closer to the actual value of the temperature that is being read. Let's say someone has a temperature of 98.7 a thermometer that is in the tenths would be accurate and say that the temperature is 98.7, but if it was in whole numbers it would have to round the temperature, which would be inaccurate.    

Accuracy: description of how close a measurement is to an accepted or true value.

Answer:

Accuracy would be the correct answer.

i'll give brainliest! plss help
imagine that you are kneading dough for homemade pizza. Describe how the different areas of your body communicate through the nervous system.

Answers

Answer: you are using a few

Explanation:Your brain tells you hades to knead the dough and tells you how to move your arms hands

The nervous system is the control and the coordination center that passes the signals in the body. The motor and sensory actions work in accordance with the muscular system.

What is the nervous system?

The nervous system is the commanding center that controls the body's movement in response to action and stimuli. The body receives an action in the form of kneading in case of making pizza.

The somatic nervous system sends the sensory impulses to the brain and the spinal cord of the body to react to the kneading action. The impulses are received by the brain and the motor nerves send the reaction back to the muscles.

Therefore, the sensory and the motor nerves communicate in the nervous system.

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A species of frog has inhabited the tropical rain forests of south america for the
past one million years. which two factors would tend to disrupt the gene pool
stability of this frog population?
a. low mutation rate and random mating
b. hugh mutation rate and numerous migrations
c. low mutation rate and no migrations
d. large population random mating

Answers

Answer:

Option B. makes the most sense.

In what way can the human circulatory system be described as double circulation?.

Answers

Answer:

Explanation:

The human circulatory system has three key components: blood vessels, blood, and the heart. It is called a double circulatory system because blood passes through the heart twice per circuit.

The right pump sends deoxygenated blood to the lungs where it becomes oxygenated and returns to the heart.

The left pump sends the newly oxygenated blood around the body. When this blood returns to the heart, it has returned to a deoxygenated state.

Blood Passes Through The Heart Twice Per Circuit

Blood enters the heart:

Deoxygenated blood from the body enters the right atrium of the heart.

Blood pumped to lungs:

The right ventricle pumps this deoxygenated blood out of the heart and towards the lungs.

Lungs oxygenate the blood:

In the lungs, the deoxygenated blood exchanges carbon dioxide for oxygen. This is how it becomes oxygenated (contains oxygen).

Blood returns to the heart:

Oxygenated blood returns to the left atrium of the heart.

Blood pumped into the body:

This oxygenated blood is pumped out of the heart and to the body by the left ventricle.

Blood returns to the heart:

The oxygenated blood gives its oxygen to body cells in exchange for carbon dioxide. The blood becomes deoxygenated and returns to the heart.

How long does it take to recover from a fractured elbow.

Answers

it can take from a few weeks to a few months. Movement might be stiff for a while

Explain the properties of RNA

Answers

Answer:

RNA forms in the nucleolus, and then moves to specialized regions of the cytoplasm depending on the type of RNA formed.

RNA, containing a ribose sugar, is more reactive than DNA and is not stable in alkaline conditions. RNA’s larger helical grooves mean it is more easily subject to attack by enzymes.

RNA strands are continually made, broken down and reused.

RNA is more resistant to damage from UV light than DNA.

RNA’s mutation rate is relatively higher.

Unusual bases may be present.

The number of RNA may differ from cell to cell.

Rate of renaturation after melting is quick.

RNA is more versatile than DNA, capable of performing numerous, diverse tasks in an organism.

RNA or ribonucleic acid is a polymer of nucleotides which is made up of a ribose sugar, a phosphate, and bases such as adenine, guanine, cytosine, and uracil.

It is a polymeric molecule essential in various biological roles in coding, decoding, regulation, and expression of genes.

Explanation:

Answer:  The full form of RNA is RIBONUCLEIC ACID and is present mostly in viruses. RNA contains genetic information just like DNA.

Explanation:

Question 7 of 34
Which system does the endocrine system interact with to regulate water
levels in the body?
O A. Respiratory system
O B. Excretory system
O C. Reproductive system
O D. Digestive system

Answers

Answer:

B. Excretory system

Explanation:

Because the excretory system is made to remove urine which consists of waste materials such as excess salts and water. The kidneys are present in it as well. If there is too much water in the body the excretory system will produce urine with higher water concentration so whiteish urine will be produced and if there is a low amount of water in the body the excretory system will produce urine with lower water concentration so yelloish or greenish urine will be produced

AlaskaFishing
10 minutes ago
Biology
High School
A man who is heterozygous for type A blood has children with a woman who has type O blood. What is the probability they will have a child with type O blood?
100%
75%
25%
50%
0%

Answers

Answer:

75%

Explanation:

3/4 of the phenotype will have O blood group, and 1/4 will have A blood group.

4. The video mentions that many toxins, such as many pesticides, do not necessarily stay isolated to the area where they are intended to be placed. Explain.

Answers

Toxins, such as many pesticides, do not necessarily stay isolated to the area where they are intended to be placed because they can be washed by underground water.

What are pesticides?

Pesticides are chemical substances used to eliminate insects and other pests from the Earth's surface.

Pesticides can have a systemic effect, which also means that they do not stay in a specific location.

In conclusion, toxins, such as many pesticides, do not necessarily stay isolated to the area where they are intended to be placed because they can be washed by underground water.

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Which of these animals is known for its ability to detect electricity? cat platypus manatee tasmanian devil.

Answers

Platypus is an animal that is known for its ability to detect electricity. Details about platypus can be found below.

What animal is platypus?

Platypus is a semi-aquatic, egg-laying monotreme mammal with a bill resembling that of a duck, that has a mole-like body, a tail resembling that of a beaver, a waterproof pelt, and flat webbed feet.

Electro-receptive animals like platypus can detect weak electrical fields generated by prey. They use these feature to catch prey or communicate.

Other examples of animals that can detect electricity are as follows:

EchidnasBumblebees

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why is deforestation a key problem in LA?

Answers

Answer:

The loss of trees and other vegetation can cause climate change, desertification, soil erosion, fewer crops, flooding, increased greenhouse gases in the atmosphere, and a host of problems for indigenous people.

Explanation:

What kind of adaptations did plants have to make to live on land?

Answers

Answer:

a water-repellent cuticle, sto.mata to regulate water evaporation, specialized cells to provide rigid support against gravity, specialized structures to collect sunlight, alternation of haploid and diploid generations, se..xual organs and many more

Explanation:

Hope this helps much!! From Awelch :^)

Even though there are gaps in the fossil record, some of the most direct evidence for evolution comes from fossils called ______ fossils that illustrate how certain major transformations in life forms occurred.

Answers

Transitional fossils illustrate how certain major transformations in life forms occurred.

What is evolution?

The term evolution refers to the changes that take place in organisms as they move from ancient forms to their present forms.

Fossil records have been very helpful in the determination of evolution patterns. Transitional fossils illustrate how certain major transformations in life forms occurred.

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Which statement correctly compares the speed of light?

The speed of light through space is much greater than 3 x 108 m/s.
The speed of light in glass is much greater than 3 x 108 m/s.
The speed of light in glass is faster than the speed of light through space.
The speed of light in glass is slower than the speed of light through space.

Answers

Answer:

The speed of light in glass is slower than the speed of light through space.

Explanation:

Glass is more dense than space therefore speed of light slows down.

Answer:

D

Explanation:

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