Question

A) Which blood vessel brings bad blood from all parts of the body?
B) Which room (s) of the heart have more thick walls? Why?​

Answer 1

Answer:

A) Which blood vessel brings bad blood from all parts of the body?

Veins

B) Which room (s) of the heart have more thick walls? Why

Explanation:

ventricles have more thick walls as compared to Atria because ventricle supply the blood to all over the body with high blood pressure

Answer 2

Answer:

A . SUPERIOR AND INFERIOR VENA CAVA

B . VENTRICLES because they need to push the blood out of the heart and need to exert immense force compared to auricles.So they have thick walls.

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