Question

List some of the functions of blood in the body.

Short answer

• transporting oxygen and nutrients to the lungs and tissues.
• forming blood clots to prevent excess blood loss.
• carrying cells and antibodies that fight infection.

Step-by-step solution

Step 1. Introduction 

Blood is a constantly circulating fluid providing the body with nutrition, oxygen, and waste removal. Blood is mostly liquid, with numerous cells and proteins suspended in it, making blood thicker than pure water.

A liquid called plasma makes up about half of the content of blood. Plasma contains proteins that help blood to clot, transport substances through the blood, and perform other functions. Blood plasma also contains glucose and other dissolved nutrients.

Step 2. Explanation 

Functions of the blood:

• Fight the infection through white blood cells.
• Transport clotting factors and platelets to prevent blood loss.
• Distribute nutrients, hormones, and remove waste.
• Regulate the body’s systems and homeostasis.