| 1 |
The concentration of water in plasma is. |
- A. 55%
- B. 45%
- C. 92%
- D. 95%
|
| 2 |
The pulse tells us the rate of.......... |
- A. Breathing
- B. Heart beat
- C. Both a and b
- D. None of these
|
| 3 |
The humna circulatory system is consist of |
- A. Heart
- B. Blood
- C. Blood vessels
- D. All of these
|
| 4 |
Which gas reacts with food to convert it into carbon dioxide and water. |
- A. Oxygen
- B. Nitrogen
- C. Phosphorus
- D. Argon
|
| 5 |
Aerobic respiation takes place in. |
- A. Mitochondria
- B. Chloroplast
- C. Nucleus
- D. Blood vessels
|
| 6 |
Which of the following plays an important role in blood clotting. |
- A. Red blood cells
- B. White blood cell
- C. Platelets
- D. Bone cells
|
| 7 |
Exchange of gases takes place in. |
- A. Lungs
- B. Bronchioles
- C. Aleoli
- D. Blood
|
| 8 |
Blood vessels that carry blood away from the heart are |
- A. Capillaries
- B. Veins
- C. Arteries
- D. Vanules
|
| 9 |
Which blood vessesl have valves in it. |
- A. Capillaries
- B. Artery
- C. Vein
- D. Arteriole
|
| 10 |
Without fibringonen, plasma is called. |
- A. Blood
- B. Serum
- C. Haemoglobin
- D. None of these
|