What happens to your heart rate when you exercise?
Human Body Systems

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•
Science
•
4th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Your heart rate increases.
2.
FLASHCARD QUESTION
Front
Which body system is responsible for transporting blood?
Back
The circulatory system.
3.
FLASHCARD QUESTION
Front
What body system do the lungs belong to?
Back
The respiratory system.
4.
FLASHCARD QUESTION
Front
Which body system includes the heart?
Back
The circulatory system.
5.
FLASHCARD QUESTION
Front
What carries oxygen from the lungs to the blood?
Back
Red blood cells.
6.
FLASHCARD QUESTION
Front
What is the main function of the circulatory system?
Back
To transport blood, nutrients, and oxygen throughout the body.
7.
FLASHCARD QUESTION
Front
What is the role of the respiratory system?
Back
To take in oxygen and expel carbon dioxide.
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