AP BIOLOGY

ANIMAL PHYSIOLOGY

HUMAN CIRCULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
One of the three functions of the circulatory system is:
A
carries waste away from our cells
B
delivers needed substances, such as hormones, to the cells
C
helps regulate body temperature
D
all of the above
Explanation: 

Detailed explanation-1: -The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.

Detailed explanation-2: -The circulatory system consists of the heart, lungs and blood vessels. The heart pumps blood throughout the body through the circulatory system.

Detailed explanation-3: -Functions of blood and circulation: Circulates OXYGEN and removes Carbon Dioxide. Provides cells with NUTRIENTS. Removes the waste products of metabolism to the excretory organs for disposal. Protects the body against disease and infection.

Detailed explanation-4: -The system that contains the heart and the blood vessels and moves blood throughout the body. This system helps tissues get enough oxygen and nutrients, and it helps them get rid of waste products.

There is 1 question to complete.