JAMB - Biology (2022 - No. 24)
The correct pathway for blood flow from the heart to the tissues of mammals is?
heart-arteriole-artery-tissues
heart-artery-arteriole-tissues
heart-vein-venule-tissues
heart-venule-vein-tissues
Explicació
Arteries carry blood away from the heart and veins carry blood back to the heart.
Arteries transport blood away from the heart and branch into smaller vessels, forming arterioles. Arterioles distribute blood to capillary beds, the sites of exchange with the body tissues. Capillaries lead back to small vessels known as venules that flow into the larger veins and eventually back to the heart.