Biology
What are the two diseases in which the number of platelets in the human body are lowered to a great extent ?
Related Questions
Correct the following statements by changing the first/ last word only :
- Robert Hooke identified the different types of blood groups.
- A faster heart beat is usually an indication of hypotension.
- WBCs produce special substances called antigens.
- Thrombocytes contain haemoglobin.
- Arteries possess valves.
Write one important role of each of the following:
- Erythrocytes
- Thrombocytes
- Arteries
- Vena cavae
- Heart
Name the three kinds of blood vessels found in human beings. With the help of suitable diagrams, differentiate between them.
State briefly, the difference between white blood cells and the red blood cells.