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Effectus [21]
3 years ago
5

The exchange of oxygen and carbon dioxide between the body and the air occurs in the lungs. This exchange of gases takes place a

t the cellular level through passive transport. Predict the effect of this process on homeostasis if carbon dioxide could not diffuse easily across the cell membrane and justify your response.
Biology
1 answer:
IrinaVladis [17]3 years ago
3 0

Answer:

Hope this helps:

Explanation:

There are two basic ways that substances can cross the plasma membrane: passive transport, which requires no energy; and active transport, which requires energy. Passive transport is explained in this section and Active transport is explained in the next section, Active Transport and Homeostasis.

And also

Diffusion is the spontaneous movement of gases, without the use of any energy or effort by the body, between the gas in the alveoli and the blood in the capillaries in the lungs. Perfusion is the process by which the cardiovascular system pumps blood throughout the lungs.

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Bundles of axons in the central nervous system are called
Karolina [17]

Answer: Bundles of axons in the central nervous system are called a "tract"

Explanation:

Axons(nerve fiber) consist of long slender projection of neurons or nerve cells that conduct and transmit impulses away from the neuron or nerve cell body. Axons are surrounded by endoneurium layer which contain protein fluid that surround each axon.

Bundles of axon in the CNS is known as tract. We have ascending tracts and descending tracts. The ascending tracts function are to conduct and carry impulses along the spinal cord to the brain while the descending tracts transmit and carry the impulses from the brain to lower regions (downward) of the body. Tracts are identified by their origin (where the bundle start) and also the end/termination of axon bundle.

The largest tracts are fasciculi gracilis and cuneatus which are known as ascending tracts.

7 0
3 years ago
As the guard cells ________, the stomata become ________.
Ilia_Sergeevich [38]

Answer:

lose water , closed

Explanation:

When the two guard cells are turgid (swollen with water), the stoma is open, and, when the two guard cells are flaccid, it is closed.

Hope this helps!

7 0
2 years ago
1) If you
erica [24]

Answer:

Triassic Period (252 to 201 million years ago)

All continents during the Triassic Period were part of a single land mass called Pangaea. This meant that differences between animals or plants found in different areas were minor.

The climate was relatively hot and dry, and much of the land was covered with large deserts. Unlike today, there were no polar ice caps.

It was in this environment that the reptiles known as dinosaurs first evolved. Reptiles tend to flourish in hot climates because their skin is less porous than, for example, mammal skin, so it loses less water in the heat. Reptile kidneys are also better at conserving water.

4 0
2 years ago
Bacteria are each composed of one cell that does not have membrane-bound organelle. What term characterizes bacteria?
Naddik [55]

Bacterial cells are prokaryotic.

If you appreciated my answer, please thank and brainliest me!

8 0
3 years ago
What is the only continent on earth where Giraffes live in the wild?
Furkat [3]
Africa is the only place where giraffes live in the wild


5 0
3 years ago
Read 2 more answers
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