The heart has ___ chambers.
Circulatory & Respiratory Systems

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Biology
•
6th - 8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
4
2.
FLASHCARD QUESTION
Front
Thin-walled vessels that allow for the exchange of O2 , CO2, nutrients and wastes between blood cells or air sacs in the lungs
Back
Capillaries
3.
FLASHCARD QUESTION
Front
Deoxygenated
Back
Oxygen-poor
4.
FLASHCARD QUESTION
Front
True or False: The heart is a muscle
Back
True
5.
FLASHCARD QUESTION
Front
Which piece of the respiratory system lets you make noise? Options: Lungs, Voice box, Mouth, Nose, and Windpipe, Diaphragm
Back
Voice box
6.
FLASHCARD QUESTION
Front
Which direction does the Diaphragm move to make you exhale (breathe out)? Options: Up, Down, Left, Right
Back
Up
7.
FLASHCARD QUESTION
Front
What is the gas that we inhale? Options: Oxygen, Gasoline, Carbon Dioxide, Methane
Back
Oxygen
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