Question

The major role of the circulatory system is _______.

• A. To break down food so that it can be used by the body.
• B. To provide a medium for transportation, elimination of waste and maintain homeostasis.
• C. To give the body shape and support.
• D. To help in the absorption of the digested food.

Answer 1

The correct option is B

To provide a medium for transportation, elimination of waste and maintain homeostasis.

The circulatory system is a vast network of organs and vessels that is responsible for the flow of blood, nutrients, hormones, oxygen and other gases to and from cells. The circulatory system is the body’s transit system - equivalent to roads, railways, waterways and airways that provide a medium for transportation.