Answer:
Cell membranes are semi-permeable, which works like a sieve that determines what enters and leaves the cells.
Explanation:
It is semi-permeable and it allows molecules to diffuse inside.
<em>Feel free to mark it as brainliest :P</em>
Answer:
Whales can get extreme hearing damage because of their sensitive hearing organs.
Explanation:
Amylase breaks down starches and carbohydrates into sugars. Protease breaks down proteins into amino acids.
Epithelial tissue. This type of tissue is made up of cells that are closely packed and arranged in one or more layers. Epithelial tissues cover internal and external body surfaces. They have a high regenerative capacity.and has many functions including, protection, absorption, secretion, sensation and excretion.
Answer: I believe it's the mitochondria!