Mass and distance affect the gravitational force.
Collagen protein fibers are located in many parts of the body, including the muscles, tendons, ligaments, and bones. Collagen and another protein called elastin are often found together.
The correct answer for this question is letter C. Epiglottis is the one who prevents food from entering the trachea. It moves in a back and forth manner. When a person swallows, it covers the entrance of the larynx by flattening itself backwards.
Answer:
spindle
Explanation:
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