Question 1: (Do you avoid tobacco products?)
Question 2: (How often do you catch a cold?)
you said 2 right?
Because it is flexible. Think about it; the ribs protect both the lungs and the heart. If the ribs were solid bone all the way around then unless you constantly break your ribs you wouldn't be able to expand the cheat to breath. Additionally your lungs would constrict the heart to a degree that it would function properly.
I want to run track and play volleyball and I also want to be a cheerleader
Answer:
Explanation:
the energy needed to raise the temperature of 1 kilogram of water through 1 °C, equal to one thousand small calories and often used to measure the energy value of foods.
transmitted sexual disease or otherwise known as std can sometimes be cured but not all of them
