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Questions and Answers
Why is oxygen necessary for human cells?
Why is oxygen necessary for human cells?
- To facilitate oxidative reactions that release energy from foods (correct)
- To maintain normal body temperature
- To generate body heat
- To provide the watery environment for chemical reactions
What percentage of the air we breathe is oxygen?
What percentage of the air we breathe is oxygen?
- 40%
- 30%
- 20% (correct)
- 10%
How does the body lose water?
How does the body lose water?
- By evaporation from the lungs and skin (correct)
- Through ingested foods
- Through body excretions
- By metabolic reactions
Why is maintaining normal body temperature crucial for metabolic reactions?
Why is maintaining normal body temperature crucial for metabolic reactions?
What primarily generates body heat in the human body?
What primarily generates body heat in the human body?
What is the role of atmospheric pressure in breathing?
What is the role of atmospheric pressure in breathing?
Which part of the body includes the head, neck, and trunk?
Which part of the body includes the head, neck, and trunk?
Which type of plane divides the body into anterior and posterior parts?
Which type of plane divides the body into anterior and posterior parts?
What is a section produced by cutting along a sagittal plane called?
What is a section produced by cutting along a sagittal plane called?
What is a frontal plane also known as?
What is a frontal plane also known as?
Which type of plane divides the body into superior and inferior parts?
Which type of plane divides the body into superior and inferior parts?
What does a median plane divide the body into?
What does a median plane divide the body into?
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