Aside from protective equipment, what other ways can you stay safe when taking part in athletic events? Pl hurry

What are your best tips for staying focused and staying on task to finish something?

The amount of oxygen that is actually used by the body during the rest or a hand workout is determined by the heart rate, the stroke volume, and the amount of a. blood circulating in the vascular system b. oxygen removed from the vascular system c. oxygen provided to the vascular system d. blood that individual has in the body e. hemoglobin in the red blood cells

Is it bad to have a headache all day long?