I believe it's oxygenated or oxygen rich blood away from the heart.
Homeostasis is very important and your body function or the enzymes here because of your body being in homeostasis. If increase or decrease in temp, your body will halt all processes and try to readjust your body back to normal first because if not, then a lot of other processes would be affected negatively as well and you could potentially get ill.
Answer:
Properly equipped according to the environment.
Explanation:
Natural selection will kill off those who cannot survive in a given environment
Are their options? I think I need more info
