The main function of the mitochondria is respiration in the cell. To produce energy from broken down organic molecules. (i.e. carbohydrates.)
2 kingdoms
Plantae
And animalia
Hope that helped :D
i think the answer is D) but you should get someone else to confirm this.
D) dilating sureface blood vessels
When you're out in cold weather, your skin triggers shivering so the blood vessels will contract and keep you as warm as possible. But if there's a heat wave, you'll sweat to increase the blood flow to the capillaries, which in turn increases sweating. This process cools you off as the water evaporates from your skin.
