About this document
Understanding the Circulatory System by rchavez0522 is a document available to read on EtoBox.
The circulatory system transports gases, nutrients, and waste throughout the body. It consists of the heart, blood, and blood vessels. The heart pumps blood through three types of blood vessels - arteries, capillaries, and veins. In the capillaries, gas exchange occurs between the blood and tissues. The circulatory system maintains blood flow and pressure through constriction and dilation of the arteries. High blood pressure makes the heart work harder to circulate blood. One cause of high blood pressure is
- Author
- rchavez0522
- Language
- EN