which body system is responsible for carrying oxygen from the lungs to the body cells and transporting glucose for energy?

Arm circles are often effective dynamic stretches for swimmers because they

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the dependent variable in galileo's experiment?

Subjective observations are not used under diagnosis, but objective observations are. true or false