What is the primary function of the heart?
Circulatory & Respiratory Systems Flashcard

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Science
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6th - 8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The primary function of the heart is to pump blood throughout the body, delivering oxygen and nutrients to tissues and removing waste products.
2.
FLASHCARD QUESTION
Front
Describe the pathway of blood flow through the heart.
Back
Blood flows from the body into the right atrium, then to the right ventricle, which pumps it to the lungs. After oxygenation, blood returns to the left atrium, moves to the left ventricle, and is pumped out to the body.
3.
FLASHCARD QUESTION
Front
What are the main components of the circulatory system?
Back
The main components of the circulatory system include the heart, blood vessels (arteries, veins, and capillaries), and blood.
4.
FLASHCARD QUESTION
Front
What is the role of the respiratory system?
Back
The respiratory system is responsible for taking in oxygen and expelling carbon dioxide, facilitating gas exchange in the lungs.
5.
FLASHCARD QUESTION
Front
What is the process of gas exchange in the lungs called?
Back
The process of gas exchange in the lungs is called respiration.
6.
FLASHCARD QUESTION
Front
What are the major organs of the respiratory system?
Back
The major organs of the respiratory system include the nose, pharynx, larynx, trachea, bronchi, and lungs.
7.
FLASHCARD QUESTION
Front
How do the circulatory and respiratory systems work together?
Back
The circulatory and respiratory systems work together by transporting oxygen from the lungs to the body and returning carbon dioxide from the body to the lungs for exhalation.
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