Chapter 10: Respiration
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Last updated 7:45 AM on 7/18/22
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7 Terms
1
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What is respiration?
It is a "chemical reaction" in cells which "releases energy" from nutrient molecules.
2
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Define aerobic respiration?
It is the "chemical reaction" where food is broken down in the "presence of oxygen".
3
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Define anaerobic respiration?
It is the "breakdown of food substances" in the "absence of oxygen".
4
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Give equation for respiration.
Equation for respiration is:
5
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Give use of aerobic respiration in human body.
Uses of energy in Body:
- "synthesis of protein
- building up of protoplasm for growth
- cell division
- heartbeat + muscle contraction
- absorption of food"
- "synthesis of protein
- building up of protoplasm for growth
- cell division
- heartbeat + muscle contraction
- absorption of food"
6
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Give use of anaerobic respiration in human body.
Use of energy:
- it occurs in "muscles during exercise".
- it occurs in "muscles during exercise".
7
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What are the advantages of breathing through nose?
Advantages of breathing through the nose:
- "dust, foreign particles are trapped" by the hair of nostrils
- as "air passes it is warmed and moistened" before it enters lungs
- "dust, foreign particles are trapped" by the hair of nostrils
- as "air passes it is warmed and moistened" before it enters lungs
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