Red blood cells pick up oxygen in the lungs. Blood travels away from the heart and lungs through the arteries. Red blood cells drop off oxygen to the cells through tiny tubes called capillaries. Blood then returns to the heart through the veins and the cycle begins again.
1: Fabian feels excluded from a group of coworkers
The independent variable is the color of the room the patients are in.
All of the above is the correct answer
Circuit training is a form of body conditioning or resistance training using high-intensity aerobics.
