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Health - Ch. 1
Your Transportation System
Question | Answer |
---|---|
powerful muscle that keeps your blood constantly flowing | cardiac muscle |
the smallest vessels in your body | capillaries |
collect blood from the capillaries and return it TO the heart | veins |
the liquid part of your blood | plasma |
the part of your blood that carries digested food throughout your body | plasma |
these help fight pathogens (or germs) | antibodies |
these help your blood to clot | platelets |
the important mineral that gives the red blood cells their color | iron |
the type of cells fight that fight infection | white blood cells |
a blood clot on your skin | scab |
the upper chamber of your heart | atrium |
the lower chamber of your heart | ventricle |
little doorlike flaps that allow or stop blood flow | valves |
part of your heart that supplies blood to the lungs | pulmonary artery |
the number of miles of "pipeline" that travel to all parts of your body | 60,000 |
the continuous flow of blood around and around the body | circulation |
largest artery in the body | aorta |
the expanding of the arteries after each heartbeat | pulse |
two large veins that enter the heart | vanae cavae |
enlarged veins near the surface of the skin | varicose veins |
the pressure of your blood against the arteries | blood pressure |
blood vessels that carry blood AWAY from your heart | arteries |
a child has this much blood in their body | 3 quarts |
makes up 50% of your blood | plasma |
sound of your heart beating is ... | the sound of the valves closing |
your body needs this much rest each week | one full day |
be able to name 2 things that help keep the heart healthy | 1)exercise and 2)rest |
be able to list 4 ways to protect your heart | 1)avoid alcoholic beverages 2)refuse all forms of tobacco 3)lower cholesterol buildup 4)become physically fit |
the type of cells that carry oxygen | red blood cells |