Question

what is protien and impotance??​

Answer 1

Explanation:

Protein foods containing l-arginine

Nitric oxide is a molecule that widens and relaxes blood vessels, increasing blood flow to the penis. Some research suggests that l-arginine levels are lower in males who have ED.

Answer 2

Answer:

proteins are consist of numerous small structural units called amino acid . They are micro molecul of protein..

several types of protein serve as a structural material of tissue that is keratin of skin , hair , horn etc. Myosin of muscles, collagen of connective tissues. Protein is a major constituent of food of animals. All enzymes are made up of protein about 90% of total protein in a cell is actually called enzyme proteins. Haemoglobin is a compound protein which carry oxygen in blood. Fibrinogen is a plasma protein plays great roll in blood coagulation. :)