Don’t know the answer to the first one but the last one should be histones
<span>a thickened and hardened part of the skin or soft tissue, especially in an area that has been subjected to friction.</span>
I honestly dont know lol i would think yes since sperm is produced in the testicles
Volcanic eruption is the answer
Capillaries are small, thin blood vessels that connect the arteries and the veins. Their thin walls allow oxygen, nutrients, carbon dioxide and waste products to pass to and from the tissue cells.
Hope this helps you
Pls mark it as brainliest
