Answer:
Body systems are used throughout your body to help you move and to live like the heart for example.
Answer: (Smallest = left) (Largest = right)
Individual = community = population = biome = biosphere = ecosystem
<span>1. Smooth functioning of nerves-Calcium is key in helping nerves transmit messages across cells in the body.
2. Clotting of blood-Calcium helps in the clotting function of blood
3. Aids the contraction of muscles-Our muscles make use of calcium to aid them in contracting during the course of normal muscle functions.</span>
It becomes more and more reproduction and that when the male cell matches up with the female cell and then it becomes another egg
