Complete the sentence below about vitamin A. is a form of vitamin A that plays an important role in vision. Vitamin A is important for many functions in the body. It plays a critical role in vision, helping you see images and differentiate colors, and also contributes to cell differentiation. Complete the sentence below about vitamin A. is a form of vitamin A that plays an important role in vision. Beta-carotene Retinoic acid Retinal Provitamin A

The correct answer is "Retinal".

Explanation:

Retinal, also known as retinaldehyde, is a form of vitamin A that plays an important role in vision. It was formerly known as retinene, and it comes from its name from retina, the thin layer of tissue that its inside the eye. Retinal is an important element in vision, it allows the conversion of light into metabolic energy.

c-reactive protein (crp) is an acute phase protein belonging to pentraxin family of proteins, whose levels increases 1000-fold or more in concentration in blood during the occurrence of an injury, inflammation or tissue death.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.