Why is death by predators more natural or right then death by starvation? how does one determine when an ecosystem is in balance? do predators really kill only the old and sick prey? what evidence is there for this statement

Which of the following conclusions can be drawn

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.