4.5 Transport of gases in blood

Question 1

Describe the structure and function of plasma and the function.

Answer 1

Structure - Straw coloured liquid,
Main component of blood and mostly water.
Function - Contains wide range of dissolved substances such as hormones, digested food and secretory products.

Question 2

Give three functions of the human cardiovascular system

Answer 2

1. Deliver materials need by cells and remove waste products (via plasma)
2. Carry hormones from one part of the body to another.
3. Distributes heat