10 proteins and their functions in the body?

Question

the proteins must be found in either cardiovascular system, digestive, urinary, lymphatic, or respiratory system,

Answer 1

1. Structural functions in support, examples: elastin, collagen, and keratin

2. Transport moves other substances, examples: hemoglobin and cell membrane proteins

3. Contractile movement, examples: actin and myosin

4. Antibodies defense, examples: Ig.E, IgA, and Ig.G

5. Enzymes aid in chemical reactions, examples: amylase and proteases

6. The kidney secretes an enzyme rennin, which changes a plasma protein angiotensinogen into angiotensin, which helps to increase the production of aldosterone and the blood pressure of the kidney.