As Blood Travels From The Aorta To The Capillaries at Traveling

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As Blood Travels From The Aorta To The Capillaries. The capillaries have internal valves that slow the flow of blood b. Blood leaves the heart through the pulmonary artery and aorta, while blood enters the heart through the two venae cavae and pulmonary veins.

Chapter 21 Blood Vessels. Direction of Flow Heart to aorta
Chapter 21 Blood Vessels. Direction of Flow Heart to aorta from documents.pub

With each rhythmic pump of the heart, blood is pushed under high pressure and velocity away from the heart, initially along the main artery, the aorta. Here oxygen travels from the tiny air sacs in the lungs through the walls of. The hydrostatic pressure of the interstitial fluid does not oppose the movement of fluid from the capillary e.

Chapter 21 Blood Vessels. Direction of Flow Heart to aorta

Blood circulation allows the transport and distribution of nutrients, oxygen gas and hormones to the cells of various organs. As blood travels from the aorta toward the capillaries, the a) flow increases b) diameter of the blood vessels increases c) resistance increases. The aorta carries blood away from the heart and eventually branches into a large number of capillaries that distribute the blood to various body organs. Here, oxygen travels from the tiny air sacs in the lungs, through the walls of the capillaries, into the blood.