1) respiratory system is made of the windpipe lungs diaphragm alveoli takes in oxygen and waste
2) breathing allows you to take in the oxygen your cells need and expel carbon but when you breathe you loose water.
3) the lungs are the only organs that can float on water bc it is holding 300 million ballon like structure called the alveoli
1. C working his heart muscle
2. A find ways around obstacles
3. C make goals achievable
Hope that helps
Answer:
I believe its A. Varicose.
Hope this helped!
To increase their muscle mass and strength. The main anabolic steroid hormone produced by your body is testosterone. Testosterone has two main effects on your body: Anabolic effects promote muscle building.
Answer:
Confident
Explanation:
If you act nervous in a real situation most likely they will think that they can sway your answer and get you to do it.