Chromosomes. Hope this helps.
Answer:
Forethought
Explanation: Basically means planning ahead of time in order to know what to do when you are faced in a situation or event that will happen in the future
Because it creates energy and food for different beings
Oxygen, carbohydrate glucose
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
