Answer:
Cartilage
Explanation:
Cartilage helps join the bones together through parts so that the body can move, it also acts as a cushions so your bones do not rub against each other.
Mitochondria converts oxygen and the sugar fat and protein from foods to useable energy.
The correct answer here would be A: Space Station
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The answer to this question would be: Stomach(gaster), HCl
Protein digestion happens in the stomach. The stomach will secrete the acid which was HCl to kill bacteria inside food and denatures the protein. The acid also activates pepsin enzyme and in turn, will digest the protein into smaller amino acids.
