AP BIOLOGY

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ANIMAL PHYSIOLOGY

HUMAN CIRCULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The heart functions to pump blood throughout the body. Blood vessels transport blood which binds oxygen, carbon dioxide and nutrients. The lungs are the place for exchange of oxygen and carbon dioxide. Based on the sentence above, name the circulatory organs in humans ____
A
lungs (lungs) and blood vessels (blood vessels)
B
heart (heart) and blood vessels (veins)
C
blood vessels (blood vessels) and lungs (lungs)
D
all the answer is true
Explanation: 

Detailed explanation-1: -The heart pumps blood through blood vessels, which carry the blood to and from all areas of the body. This whole network of vessels for blood circulation is called the vascular system. All the arteries and veins outside the heart and head make up the peripheral vascular system.

Detailed explanation-2: -It’s the muscle at the centre of your circulation system, pumping blood around your body as your heart beats. This blood sends oxygen and nutrients to all parts of your body, and carries away unwanted carbon dioxide and waste products.

Detailed explanation-3: -The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide. These roadways travel in one direction only, to keep things going where they should.

There is 1 question to complete.
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