1. A
2. A
3. C
I hope this helps:)
When you cross the parents on the outside of the Punnett square, the letters inside the boxes are the offspring
Calcium ion is responsible for Muscle Contractions.
The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.
