The Cardiovascular System 123rf.com
Where is your heart located? Many people think their heart is located on the left side of their chest. It is actually located almost in the center of the chest, between the lungs. It’s tipped slightly so that part of it sticks out and taps against the left side of the chest, which is what makes it seem as though it is located there. shadygroveadventisthospital.com
How big is the human heart? About the size of your fist. my2ndheartbeat.wordpress.com
Whoa….my heart beats how many times??? One day: 100,000 beats One year: 35 million beats Lifetime: > 2.5 billion beats http://my2ndheartbeat.wordpress.com/2011/09/15/daily-insight-36/
Your heart is one hard working muscle! The force you use to squeeze a tennis ball is about the same amount of force your heart uses to pump blood out to the body. Even at rest, the muscles of the heart work hard- twice as hard as the leg muscles of a person sprinting. bodyroxleduc.ca
Time to take our pulse As a kid, your resting pulse should be between 70-110 beats per minute. sciencebuddies.org
The Cardiovascular System heart The circulatory system is a body system that includes the ________________, ___________________, and _________________________________. blood blood vessels food oxygen Its main job is to transport _______________ and _________________ to cells in the body. It also picks up _______________ to be eliminated from the body. wastes deskarati.com
hollow pump blood right atrium right ventricle left atrium THE HEART: The heart is a _________________, muscular organ. Its main function is to ______________ ______________________ throughout the body. The human heart contains four chambers: 1) __________________________________________ 2) __________________________________________ 3) __________________________________________ 4) __________________________________________ ___________________: open and close to allow blood to flow in only one direction through the heart. hollow pump blood right atrium right ventricle left atrium left ventricle Valves
inspirations786.wordpress.com
tubes flows Arteries Veins Capillaries THE BLOOD VESSELS: Blood vessels are ___________ in the body through which blood _______________. _______________________________: a type of blood vessel that carries blood away from the heart. _______________________________: a type of blood vessel that carries blood to the heart. ______________________________: the smallest kind of blood vessel through which materials are exchanged between blood and body cells. tubes flows Arteries Veins Capillaries
fight oxygen clot Plasma BLOOD: White blood cells _________________ infection and kill germs. Red blood cells deliver ___________________ from the lungs to the rest of the body and transport carbon dioxide from the body to the lungs. Platelets are small blood cells that help blood to _______________, or stop bleeding. _________________ is a straw colored liquid component of blood that normally holds the blood cells. It makes up about 55% of the body's total blood volume. fight oxygen clot Plasma
Circulatory System Video Links http://www.pbs.org/wgbh/nova/body/map-human-heart.html http://www.sciencekids.co.nz/videos/humanbody/heart.html MovieSource: The Circulatory System Circulatory System - Kids Science Videos, Games and Lessons that Make Learning Fun and Easy http://studyjams.scholastic.com/studyjams/jams/science/human-body/circulatory-system.htm