Plasma of the blood is made up of:

Correct option is C

Correct Answer:
✅ (c) Protein, water, and salt
Explanation:
Blood plasma is the liquid component of blood that makes up about 55% of total blood volume. It serves as a transport medium for various substances in the body, including nutrients, hormones, waste products, and proteins.
Composition of Blood Plasma:

Functions of Plasma:
✅ Transports Nutrients & Hormones → Carries glucose, amino acids, and hormones throughout the body. ✅ Maintains pH Balance & Osmotic Pressure → Electrolytes help regulate body fluid balance. ✅ Removes Waste Products → Helps in the excretion of carbon dioxide, urea, and other wastes. ✅ Supports Immune Function → Contains antibodies (immunoglobulins) to fight infections. ✅ Blood Clotting → Fibrinogen and clotting factors help prevent excessive bleeding.