Tad poles have gills that help them breathe underwater. frogs have lungs that help them breathe underwater. tadpoles have tails and fins to help them swim underwater. frogs have arms and legs to help them swim.
Answer:
to store unused calories for later
Explanation:
This is true. Endorphin's are released during exercise and cause a euphoric feeling.
If I were a doctor treating a patient with staphylococcus aureus i would prescribe penicillin because it controls bacterial growth. It also helps defend the body against dangerous diseases.
