Human and Social Biology Form 4

Form 4 HUMAN AND SOCIAL BIOLOGY Trinity (May 11 to May 15)

Teacher: Leon Abel                               Email: leonabel8@gmail.com

Week 4 Topic: Circulatory System – Answer ALL of the following questions:

1.     By which process will the oxygen move from the lungs to the red blood cells?

2.     How are the following carried in the blood:

a.      Glucose

b.     Oxygen

3.     Why DON’T single cell organisms need a circulatory system?

4.     State THREE functions of blood.

5.     What substance carries oxygen in red blood cells?

6.     What do lymphocytes produce?

7.     List THREE (3) major substances involved in the clotting process.

8.     State THREE (3) ways in which a red blood cell is adapted to its function.