4.use of images from space
Between the 6th and 21st days of the menstrual cycle
Answer:
Periosteum.
Explanation:
Periosteum is an extremely thin region of non-calcified tissue on the exterior of bones. It covers the entire surface of every bone in the body, with the exception of the joint-forming ends of bones where cartilage forms the bone’s outer layer.
Answer:
Mitochondria
Explanation:
The enzymatic reactions of cellular respiration begin in the cytoplasm, but most of the reactions occur in the mitochondria.
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