Circulatory and Respiratory Systems
A Grade 10 science worksheet covering the human circulatory and respiratory systems, including functions, components, and associated processes.
Includes
Standards
Topics
Circulatory and Respiratory Systems
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Date:
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Read each question carefully and answer to the best of your ability. Refer to the diagrams provided where applicable.
1. Which blood component is primarily responsible for oxygen transport?
White blood cells
Platelets
Red blood cells
Plasma
2. The exchange of gases (oxygen and carbon dioxide) in the lungs occurs in which structures?
Bronchi
Trachea
Alveoli
Diaphragm
3. The heart is divided into four chambers: two upper chambers called and two lower chambers called .
4. The main artery that carries oxygenated blood away from the heart to the rest of the body is the .
5. The pulmonary artery carries oxygenated blood from the heart to the lungs.
True
False
6. During exhalation, the diaphragm contracts and moves downward.
True
False
7. Briefly describe the role of valves in the human heart.
8. Label the indicated parts of the human heart in the diagram below.
A.
B.
C.
D.
Match the term on the left with its correct description on the right.
9. Alveoli
a. Main windpipe
10. Trachea
b. Tiny air sacs in the lungs
11. Capillaries
c. Smallest blood vessels
12. Explain the pathway of blood through the human heart and lungs, starting from deoxygenated blood entering the heart. Include the names of the chambers and major blood vessels involved.
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