Answer: It's because he/she is constantly subjecting their legs to gravity, which veins are fighting against to move blood back to the heart.
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.
Answer:
We should drink water while we exercise because when we exercise, we sweat out part of the water we have in our bodies. Water is important to our everyday life, and when we become tired and overheated, water helps us to cool down, and it also helps replace the water we lose from sweat.
I should be A: the skin,nails,and hair hope this helps :) and if I'm wrong I'm sorry
Answer:
D, I really just googled it! Hope it helps.