What is the main function of the circulatory system?
Circulatory System

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•
Biology
•
3rd - 5th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
To transport blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body.
2.
FLASHCARD QUESTION
Front
What organ pumps blood throughout the body?
Back
The heart.
3.
FLASHCARD QUESTION
Front
What are the two main types of blood cells?
Back
Red blood cells and white blood cells.
4.
FLASHCARD QUESTION
Front
What do red blood cells do?
Back
They carry oxygen from the lungs to the rest of the body.
5.
FLASHCARD QUESTION
Front
What do white blood cells do?
Back
They help fight infections and protect the body.
6.
FLASHCARD QUESTION
Front
What is plasma?
Back
The liquid part of blood that carries cells, nutrients, and waste.
7.
FLASHCARD QUESTION
Front
How many valves are in the heart?
Back
There are four valves in the heart.
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