If Sun Exposure Is Sufficient,dietary Intake of Vitamin D Is

question 19

True/False

If sun exposure is sufficient,dietary intake of vitamin D is not necessary.

---

Definitions:

Right Ventricle

The chamber of the heart responsible for pumping deoxygenated blood to the lungs via the pulmonary artery.

Mitral Valve

A valve in the heart located between the left atrium and left ventricle that allows blood to flow one way: from the atrium into the ventricle.

Aortic Semilunar Valve

A valve in the heart located between the left ventricle and the aorta, preventing backflow of blood into the left ventricle.

Left Atrium

The upper left chamber of the heart that receives oxygenated blood from the pulmonary veins and pumps it into the left ventricle.