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zhenek [66]
2 years ago
5

The hormone calcitonin is produced by the __________ cells of the thyroid.

Biology
1 answer:
Orlov [11]2 years ago
5 0
The answer is the parafollicular cells :)
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nexus9112 [7]

Answer:

C. levels of specific hormones

3 0
3 years ago
Read 2 more answers
Distinguish between the plant cells<br> and animal cells​
soldier1979 [14.2K]

Answer:

Similarities Between Plant and Animal Cells

 

Animal Cell

Plant Cell

Domain Eukarya Eukarya

Cell Wall No Yes (made of cellulose)

Vacuole Either none or a few very small througho ... One very large also called the “central ...

Mobility Can be mobile and fluid Not mobile or fluid

5 more rows ...

Sep 5 2021

Explanation:

5 0
2 years ago
WHy is water important to life?
Radda [10]

Answer:

At heart, all life on Earth uses a membrane that separates the organism from its environment. ... In this regard, water is essential simply because it's a liquid at Earth-like temperatures. Because it flows, water provides an efficient way to transfer substances from a cell to the cell's environment.

8 0
3 years ago
Stress" is defined as _______.
shusha [124]
I think the answer is B, the interpretation of specific events as threatening or challenging. According to Hans Selye stress is a body's nonspecific response to any demand made on it, physical arousal to events seen as threatening, and mental arousal to events seen as challenging. However, there are effective strategies to cope with stress which include a sense of humor, relaxation, social skills, and social support.
4 0
3 years ago
How many food calories can a human burn up in an hour by exercising at this rate? (remember that only 20.0 % of the food energy
blsea [12.9K]

Human can produce a maximum mechanical power of 1/3 hp (horse-power).

Horse power is a unit of power, it equals 746 watt (watt is also a power unit, known to be equal to a joule per second)


So:

1 ph = 746 watt = 746 J/s

1/3 ph = 248.6 J/s

we're looking for the calories, so

1 joule = 0.239006 calories


So human produce a maximum mechanical power of:

248.6 J/s = 82.88 calories per second.


We're looking for the number of calories consumed in three hours, so:

82.88 cal/s = 82.88 cal/s * 3600 s * 3 = 895200 calories = 895.2 kilocalories (food calories).


The number of food calories is 895.2 food calories

4 0
3 years ago
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