Cells do not require oxygen to perform anaerobic activity
Answer: I believe the answer is D: Family.
hope this helps you :D
i apologize if i got it wrong
O M G i just did that one on Plato
well anyway i think the answer was the the skin because any thing that invades the body is a threat to the immune system.
True - abstaining from tobacco and drug use is an important part of
maintaining good physical health. This is of course a guideline to be
considered alongside the importance of exercise and a healthy diet to
achieve a fully rounded healthy lifestyle.
