| 1 |
Which blood vessesl have valves in it. |
- A. Capillaries
- B. Artery
- C. Vein
- D. Arteriole
|
| 2 |
Blood vessels that carry blood away from the heart are |
- A. Capillaries
- B. Veins
- C. Arteries
- D. Vanules
|
| 3 |
One gram of glucose produce abut.............. calories of energy . |
- A. 3600
- B. 3700
- C. 3800
- D. 3900
|
| 4 |
Which gas reacts with food to convert it into carbon dioxide and water. |
- A. Oxygen
- B. Nitrogen
- C. Phosphorus
- D. Argon
|
| 5 |
A substance that speed up the chemical reactions is called. |
- A. Solute
- B. Solvent
- C. Solution
- D. Catalyst
|
| 6 |
Right atrium receives. |
- A. Oxgynated blood
- B. Deoxygenated blood
- C. BOth types of blood
- D. no blood
|
| 7 |
Exchange of gases takes place in. |
- A. Lungs
- B. Bronchioles
- C. Aleoli
- D. Blood
|
| 8 |
The concentration of water in plasma is. |
- A. 55%
- B. 45%
- C. 92%
- D. 95%
|
| 9 |
Products of anaerobc respiration in yeasts are .......... along with energy. |
- A. Carbon dioxide and water
- B. Ethanol and carbon dioxide
- C. Oxygen and water
- D. Lactic acid and water
|
| 10 |
The humna circulatory system is consist of |
- A. Heart
- B. Blood
- C. Blood vessels
- D. All of these
|
