Small, dark portion in the eye is called:​

Pupil

Explanation:

It is the dark part of the eye

The question is incomplete because the options are not given but the options are gotten from another websites which are;

a. protein

b. complex carbohydrate

c. fats

d. disaccharides

The correct option is a.

Protein.

Explanation:

Proteins are macro nutrients or biomolecule whose building blocks is t amino acids. Amino acids consists of organic compounds like hydrogen, nitrogen, carbon, oxygen and may also contain sulfur which all serve as protein building blocks . Our body requires proteins which contain amino acids and these are important for growth, body building and and proper functioning. These include both essential and non essential amino acids

The essential amino acids includes histidine, isoleucine, lysine, phenylalanine, tryptophan and valine cannot be produce by the body but can be gotten from diets that are from protein source. The major sources of essential amino acids are gotten from animal proteins and they include meat, eggs, and poultry.