The answer is B. Lysosome. Lysosomes break down old organelles and other unwanted materials. I hope this helps!
The amount of hyaline cartilage in the embryonic skeleton is much higher than in a child. This is because the embryonic skeleton will still go calcification as the embryo ages to fetus and eventually to being a child to adulthood.
The second answer
Temperatures up high need to be warmer near the surface, surface air needs to be humid
Hair and nails are part<span> of the integumentary </span>system<span>.</span>
