10
Short Answer Questions:
Potassium chloride
(ii) Ammonium nitrate
(iv) Sodium nitrate
1. Differentiate between the following pair of terms :
to Platelets and WBC :
) Pulmonary artery and pulmonary vein :
(et Vena cava and aorta :
(4) RBC and WBC : .........
2.
Give any three differences between an artery and a vein.
Answers
Answer:
1. ans.
Platelets are the blood cells which help in clotting of blood .while WBCs are the blood cells which helps in keeping us healthy by fighting with germs.
2. pulmonary artery is the blood vessel which carries deoxygenated blood from heart to lungs, while pulmonary vein is the blood vessel which carries oxygenated blood from lungs to heart.
3. Vena cava is the largest and main vein of human body which carries deoxygenated blood to the heart ,while Aorta is the largest and main artery of human body which carries oxygenated blood from the heart.
4. RBCs are the blood cells which contains haemoglobin,and are red in colour,while WBCs are the blood cells which does not contain haemoglobin and are white in colour.
5. a.Artery is the blood vessel which carries oxygenated blood.
b.They are thick walled and do not contains valves.
c.Blood emerges under high pressure.
a.Vein is the blood vessel which carries deoxygenated blood.
b. They are thin walled and contains valves.
c. Blood does not emerges under high pressure...
hope it helps you..