Which are cell fragments that play an important role in the blood clotting process? red blood cells white blood cells capillaries platelets

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?

Stuart runs with his brother each morning, and they can only speak one or two words at a time between multiple deep breaths. which best describes their heart rates during this activity? low moderate vigorous dangerous

The effects of tobacco use on society include high taxes and loss of life. select the best answer from the choices provided. t f