Question

The functional unit of kidney which filters the blood and removes the waste is

(a) Aorta (b) Urethra (c) Nephrons (d) Ureter

(ii) Which type of blood vessels carries blood away from the heart!

(a) Capillaries (b) Arteries (c) Veins (d) Ventricals

(iii) Type of blood cells which helps in clotting of blood is

(a) Erythrocytes (b) Leucocytes (c) Thrombocytes (d) Red blood cells

(iv) The major excretory product in aquatic animals like fish

(a) Uric acid (b) Ammonia (c) Urea (d) None of these​

Answer 1

Answer:

I don't have idea I'm not guide to

Answer 2

(i) The functional unit of kidney which filters the blood and removes the waste is

Ans:- Aorta

(ii) Which type of blood vessels carries blood away from the heart!

Ans:- Veins

(iii) Type of blood cells which helps in clotting of blood is

Ans:- Erythrocytes

(iv) The major excretory product in aquatic animals like fish

Ans:- None of these

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