Learning Resources LER 1902 - Manuals

T he human heart is one of the most important parts of the body. It isresponsible for moving blood and other nutrients throughout the entirebody. The Cross-Section Heart Model is a great hands-on way to introduce and discuss the functions and parts of a heart. The model can easily be passedaround so...

Blood Flow through the Heart 1. It begins by bringing oxygen-rich blood from the lungs into the left atrium. 2. Then the blood moves through the mitral valve and into the left ventricle. 3. From the left ventricle it moves through the aortic valve. 4. From the aortic valve it goes to the aorta, whic...

5 Interesting Heart Facts • The heart is constantly beating and does not stop. The heart beats approximately 100,000 times a day and about 35 million times a year! • The body has about six quarts (5.6 L) of blood in it that the heart circulates through the body about three times every minute. • The ...