MC1R’s function-This receptor plays an important role in normal pigmentation. The receptor is primarily located on the surface of melanocytes, which are specialized cells that produce a pigment called melanin.

7 0

1 year ago

Explain why arteries are better suited for blood leaving the heart and explain why veins are better suited for blood returning t

Stells [14]

Answer:

because they have thicker walls

Explanation:

blood is punped our of the heart very fast which means it would need a blood vessel witch thick walls to withstand the pressure. thin walls would cause the blood vessle damage and may evwn break as it wouldn't be able to withstans the pressure.

7 0

3 years ago

Aldosterone ________. A) is secreted by the posterior pituitary B) functions to increase sodium reabsorption C) presence increas

Vesnalui [34]

Answer:

Option B) functions to increase sodium reabsorption.

Explanation:

Aldosterone is an hormone secreted by the cortex of the adrenal gland. The adrenal gland is situated at the superior poles of the right and left kidneys.

Aldosterone regulates sodium homeostasis and as such helps to control blood volume and blood pressure.

Aldosterone is secreted in response to decreased blood pressure (hypotension) to increase sodium reabsorption from urine, sweat, and the gut. Also excessive aldosterone levels (too high sodium) can lead to high blood pressure (hypertension).

5 0

3 years ago

Sensations of body position, touch, skin temperature, and pain are referred to as ____.â

Agata [3.3K]

<span>The answer is general senses. These are the senses which are professed by reason of the receptors distributed all over the body such as temperature, touch, and starvation, instead of knotted to a particular structure, like the special senses - sight or hearing.</span>

8 0

3 years ago