When the heart contracts,during the ______ phase,blood pressure increases;when the heart relaxes,during the ______ phase,blood pressure decreases.

Question

Quizplus · Accepted Answer

During the systolic phase, the heart contracts and pumps blood out into the arteries, which increases blood pressure. During the diastolic phase, the heart relaxes and blood flows into the heart, causing a decrease in blood pressure. Therefore, option C, which associates systolic with blood pressure increase and diastolic with blood pressure decrease, is the correct answer. The other options are unrelated to the phases of the cardiac cycle.

When the Heart Contracts,during the ______ Phase,blood Pressure Increases;when the Heart