Which of the following is a measurement of a wave’s amplitude? A
the distance to the highest point of a wave

B
the distance between waves

C
the distance from which a sound can be detected

D
the distance across the widest point of a wave

answer; ///(b) it is composed of four protein chains and four heme groups;

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.