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Minchanka [31]
3 years ago
15

The alveoli are tiny air sacs in the lung. They have a relatively large surface area and thin walls. This structure allows –

Biology
1 answer:
oksian1 [2.3K]3 years ago
7 0

Basically let's you breathe easier.

Explanation:

The alveoli are only one cell thick. Which allows relatively easy passage of oxygen and Carbon Dioxide between the alveoli and blood vessels. (Capillaries

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How many atoms of each element does sodium carbonate, Na2CO3, contain? Sodium = 1 atom, Carbon = 2 atoms, Oxygen = 3 atoms Sodiu
Natalka [10]
It contains

2 sodium
1 carbon
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8 0
3 years ago
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A small complex organic molecule, often derived from vitamins, that acts in conjunction with an enzyme with an enzyme is known a
Likurg_2 [28]

Answer: Coenzymes

Explanation:

Coenzymes are the small organic molecules that are often derived from the vitamins. It can be tightly or loosely bond to the enzymes.

Tighly bond ones are the prothestic groups and loosely bond ones are coenzymes like the products and substrate which binds to the enzyme and get released from it.

This component is very important for any reaction to take place. It bonds to the enzymes and helps in product formation.

7 0
3 years ago
which one of the plants pictured below was given water mixed with salt, and which one was given pure water? Explain how you know
ludmilkaskok [199]

The plant on the right must have been the one given a saltwater mixture while the one on the left must have been given pure water.

<h3>Osmosis</h3>

Looking at the attached image closely, one would see that the plant on the right has withered leaves while the leaves of the plant on the left seem to be flourishing.

The plant on the right must have been the one fed with water mixed with salt and here is the reason. Adding water mixed with salt to the soil on which the plant grows will decrease the water potential of the soil relative to the water potential of the plant's root. Thus, water will move from the plant into the soil through the root by osmosis. This will cause the various cells of the plant to become flaccid, and hence, the withered leaves.

On the contrary, the plant on the left must have been fed with pure water. Feeding the soil with pure water will increase the water potential of the soil relative to the water potential of the plant's root. Thus, water will move from the soil into the plant through the root by osmosis. This will cause the various cells of the plant to become turgid, and hence, the flourishing leaves.

More on osmosis can befound here: brainly.com/question/21395644

#SPJ1

3 0
2 years ago
An example is maintaining homeostasis at the system level would be_____.
Triss [41]
THE ANSWER WOULD BE A because homeostasis is about maintaining something so something doesnt shut down example maintaining body temperature.
4 0
3 years ago
Is the function of an endocrine system to move muscles or deliver oxygen or break nutrients?
Pani-rosa [81]

The endocrine system is made of glands that secrete hormones. These hormones help regulate the organs and cells activity. The hormones among other things control your metabolism.

5 0
4 years ago
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