Increasing heart rate increases blood pressure. True or False

Blood doping has benefits for performance, but it has some consequences on the heart, short term and long term. Learning that blood doping adds red blood cells to the blood, what variable in the blood does this change and how does that affect blood flow? viscosity; increase blood flow resistance; decrease blood flow viscosity; decrease blood flow O resistance; increase blood flow

Which of the following would increase blood pressure? Group of answer choices Increased parasympathetic activity Decreased heart rate Vasodilation of blood vessels Increasing resistance in blood vessels

Regulation of the heart ( or any organ or tissue ) by neural input , circulating hormones , or any other factor originating from outside the organ is referred to as control . neurogenic myogenic Ointrinsic extrinsic voluntary

What keeps the atrioventricular (AV) valves from being pushed open as the ventricles contract? Pressure of blood pushing against the valves. Contraction of the atria. Closure of the semilunar valves. Contraction of papillary muscles and tightening of chordae tendineae.

you move from the standing position to supine position. after two minutes of resting in the supine position, you expect your pulse amplitude to _ while pulse rate _

False statements about the cardiovascular system? (select multiple if necessary) o Deoxygenated blood enters the right atrium Blood pressure is highest in the veins o Ventricles pump blood out of the heart Mammals have a four-chambered heart Arteries always transport oxygenated blood