Circulatory and Respiratory Systems
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the main function of the circulatory system?
Back
To transport blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body.
2.
FLASHCARD QUESTION
Front
What are the main components of the circulatory system?
Back
Heart, blood vessels (arteries, veins, capillaries), and blood.
3.
FLASHCARD QUESTION
Front
What is the role of the heart in the circulatory system?
Back
To pump blood throughout the body.
4.
FLASHCARD QUESTION
Front
How many chambers does the heart have?
Back
Four chambers: two atria and two ventricles.
5.
FLASHCARD QUESTION
Front
What is the function of red blood cells?
Back
To deliver oxygen to the body's tissues and remove carbon dioxide.
6.
FLASHCARD QUESTION
Front
What is the role of the lungs in the respiratory system?
Back
To facilitate the exchange of oxygen and carbon dioxide during breathing.
7.
FLASHCARD QUESTION
Front
What happens to the lungs when you breathe in?
Back
The lungs expand to decrease air pressure, allowing air to flow in.
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