What is the role of the diaphragm in the respiratory system?
Human Body Systems Study Guide

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Science
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7th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
The diaphragm is a muscle that allows the lungs to inhale and exhale as it expands and contracts.
2.
FLASHCARD QUESTION
Front
How does the digestive system work with the cardiovascular system?
Back
The cardiovascular system absorbs nutrients into the bloodstream via capillaries in the small intestine.
3.
FLASHCARD QUESTION
Front
In what way is the cardiovascular system similar to a hydraulic system?
Back
Its organs work together to provide services for other body systems, similar to how a hydraulic system uses fluid to fuel other machine systems.
4.
FLASHCARD QUESTION
Front
Which body systems are involved in waste removal?
Back
1. Digestive system removes solid wastes. 2. Excretory system removes liquid wastes. 3. Respiratory system removes gaseous waste.
5.
FLASHCARD QUESTION
Front
How do the respiratory and cardiovascular systems collaborate to supply oxygen to cells?
Back
CO2 rich blood diffuses out of the circulatory system into the lungs to be exhaled, while O2 diffuses into the bloodstream.
6.
FLASHCARD QUESTION
Front
What is the primary function of the muscular system?
Back
The muscular system enables movement of the body and maintains posture.
7.
FLASHCARD QUESTION
Front
What is the function of the excretory system?
Back
The excretory system removes liquid wastes from the body.
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