__________ are called the powerhouses of the cell?
Correct answer: A. Mitochondria
- A. Mitochondria
- B. Vesicles
- C. Lungs
- D. Liver
Explanation
Mitochondria produce most of a cell's usable ATP through cellular respiration, which is why they are called the cell's powerhouses. Vesicles mainly transport materials, while lungs and liver are organs, not cell organelles.
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The human body is studied through its organ systems, including digestion, respiration, circulation, excretion, nervous coordination, reproduction and immunity. Coverage also includes nutrients and deficiency diseases, hormones, blood groups, common infections, vaccines, sanitation and basic first aid, while distinguishing communicable diseases from inherited and lifestyle disorders.
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