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kati45 [8]
3 years ago
10

The human body contains about 100 billion of what?

Biology
1 answer:
yulyashka [42]3 years ago
7 0
Neurons in the human brain
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5. Which of the following is an example of active transport?
Nadusha1986 [10]

Answer:

D (proteins moving ions from low to high concentration across a cell membrane)

Explanation:

Active transport, by definition, is a type of substance transport that requires energy (typically in the form of ATP). Having said that, we can immediately eliminate B (aka water diffusion throughout the cytoplasm of a cell), as diffusion (osmosis in this case) does not require any expenditure/spending of energy. Next, we can cancel A and C because although they do require energy, there is no transport involved. Thus that leaves us with D. D is not only the answer because of the process of elimination but also b/c the ans. choice says that ions are being moved from low to high concentration, which is against the concentration gradient and thus requires energy. Hope you found this helpful! :)

6 0
2 years ago
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The human brain generally gives thought higher priority than emotion. true or false
zavuch27 [327]

The response is false. Evolutively, thought is the last to develop, therefore, it is the most plausible element to be modified and, in this process of change, emotions<span> will accompany.</span>

4 0
2 years ago
True or false: a habitat can only include one niche. ?
atroni [7]
False, because a niche is how one animal uses its habitat- many animals use many different niches
3 0
3 years ago
What condition occurs when fluid accumulates in the lungs, preventing them from breathing adequately?
Norma-Jean [14]

Answer: Pulmonary edema

Explanation:

Pulmonary edema is the condition in which there is an excess of fluid in the lungs. This fluid gets collected in the air sacs which causes hindrance in breathing.

Most of the heart related diseases causes pulmonary edema. Pulmonary edema can be caused due to pneumonia, trauma in the chest wall and exercising at higher elevations. It is very fatal if not cured on time.

Hence, the correct answer is pulmonary edema.

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3 years ago
Earth is divided into its eastern and western hemispheres by the
Norma-Jean [14]

The answer is B) prime meridian

It is the opposite of the equator. If you need more of and explanation please just ask.

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3 years ago
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