Human Systems

BiologyStarter Level

10 flashcards

Card 1 of 1010%

Question

What is the main function of the circulatory system?

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Answer

Definition

The circulatory system's main function is to transport oxygen, nutrients, and hormones to cells and remove waste products like carbon dioxide.

Example

When you exercise, your heart pumps more blood to deliver oxygen to your muscles.

Quick Tip

Think of it as the body's delivery service.

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