Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Ch. 8, L5 Chapter 8 – Your Body Systems Lesson 5 – The Circulatory System artery a blood vessel that carries blood away from the heart vein a blood vessel that carries blood to the heart capillary a tiny blood vessel that carries blood from arteries to veins The blood carries nutrients from the small intestine to the rest of the body. The blood also carries away waste resulting form the cellular processing of nutrients. Blood • blood is made of the following: - plasma - red blood cells - white blood cells - platelets • arteries carry blood away from the heart to various organs • veins carry blood from various parts of the body back to the heart • Capillaries are very small tubes that connect arteries and veins. Some capillaries are so small you need a microscope to see them. Ch. 8, L5 • the heart muscle contracts to pump blood through the blood vessels • the heart has four chambers - 2 upper (right and left atrium) - 2 lower (right and left ventricle)