PATHOLOGY

Detailed explanation-1: -The four substances transported by blood are: Respiratory gases like oxygen and carbon dioxide (from and to the lungs). Nutrients (from the digestive system). Waste materials (from different body parts to the excretory system).

Detailed explanation-2: -Blood is the most important fluid in the body for transporting nutrients and oxygen.

Detailed explanation-3: -Facts about plasma Plasma carries water, salts and enzymes. The main role of plasma is to take nutrients, hormones, and proteins to the parts of the body that need it. Cells also put their waste products into the plasma. The plasma then helps remove this waste from the body.