B. Write down the major functions of blood circulatory system.

The circulatory system is responsible for many functions that we perform.

it transports oxygen and nutrient throughout the human body.

The blood carries useful substances to the cells and takes away the waste products of the cells, which include urea, carbon dioxide and other metabolic wastes.

blood carries white blood cells and platelets, which help protect the body by clotting wounds and fighting off pathogens.

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which rock will weather faster?

answer: b rock