1. Functional unit of kidney:
A. Neuron
B. Nephron
C. Alveoli
D. Cell
2. Heart has how many chambers?
A. 2
B. 3
C. 4
D. 5
3. Oxygen transport by:
A. RBC
B. WBC
C. Platelets
D. Plasma
4. Brain controls:
A. Movement
B. Thinking
C. Reflex
D. All
5. Insulin is secreted by:
A. Liver
B. Pancreas
C. Kidney
D. Heart
6. Bone stores:
A. Protein
B. Calcium
C. Fat
D. Water
7. Lungs function:
A. Digestion
B. Respiration
C. Circulation
D. Excretion
8. Blood pH is around:
A. 5
B. 6
C. 7.4
D. 8.5
9. Muscle contraction needs:
A. Na
B. K
C. Ca
D. Fe
10. Hormones act as:
A. Enzymes
B. Chemical messengers
C. Cells
D. Ions
ANSWER
| 1-B | 2-C | 3-A | 4-D | 5-B |
|---|---|---|---|---|
| 6-B | 7-B | 8-C | 9-C | 10-B |
