PDF chapter test TRY NOW
1. Who discovered Rh factor? Why was it named so?
a. Rh factor was discovered by and in the year .
b. It was found in monkey. Hence the name Rh factor.
c. The surface of RBC contains the for the Rh factor.
2. How are arteries and veins structurally different from one another?
S.No | Artery | Veins |
| 1. | Arteries are vessels | Veins are vessels |
| 2. | Arteries are in colour | Veins are in colour |
| 3. | Arteries are present in locations | Veins are present in locations |
| 4. | In arteries, blood flows with pressure | In veins, blood flows with pressure |
| 5. | The walls of an artery are | The walls of a vein is |
| 6. | All arteries carry blood except pulmonary arteries | All veins carry blood except pulmonary veins |
| 7. | In arteries, internal valves are | In veins, internal valves are |
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