Write about vitamin A and vitamin D in reference to its:
(a) Sources of food
(b) Functions in body
(c) Deficiency diseases
(d) Symptoms.
Answers
Answer:
Foods that provide vitamin D include: Fatty fish, like tuna, mackerel, and salmon. Foods fortified with vitamin D, like some dairy products, orange juice, soy milk, and cereals. Beef liver
Vitamin A is the name of a group of fat-soluble retinoids, including retinol, retinal, and retinyl esters. Vitamin A is involved in immune function, vision, reproduction, and cellular communication Vitamin A is critical for vision as an essential component of rhodopsin, a protein that absorbs light in the retinal receptors, and because it supports the normal differentiation and functioning of the conjunctival membranes and cornea . Vitamin A also supports cell growth and differentiation, playing a critical role in the normal formation and maintenance of the heart, lungs, kidneys, and other organs
Answer:
helps your body from illness and infection
Explanation:
helping vison in dim light
keeping skin and lining of some parts of the body such as the nose healthy
vitamin a is also known as retinol