Explanation:
Capillaries are thinnest blood vessels there are in human body or basically in any multicellular living creature. Capillaries are so thin, they are like a sheet made of cells. So there is nothing like capillaries which can introduce blood with the materials to be absorbed without letting both of them mix directly. Arteries and veins are too thick to carry out such exchange.
Answer:
E, A, C, B, D
Explanation:
You weight is the force of gravity pulling you towards earth. A push or pull is a force. Gravity pulls everything down towards Earth. Friction slows things down like a ball rolling. If there was no friction a ball would roll forever. When you push on a door you contact it while using a force, contact force.
Answer:
B. They sweat or pant to lose heat by water evaporation.
Explanation:
Cell membrane or in planet cells: cell wall AND membrane