This organ is responsible for pumping blood throughout the body
What is the Heart?
Blood low in oxygen enters the heart through this chamber first
What is the right atrium?
These blood vessels carry oxygen-rich blood away from the heart
What are arteries?
The heart beats about this many times each day
What is 100,000 times?
These blood cells carry oxygen to your body's tissues
What are red blood cells?
These upper chambers of the heart receive blood from the body or lungs
What is the atria?
Blood travels from the right ventricle to the lungs through this artery
What is the pulmonary artery?
These vessels carry oxygen-poor blood back to the heart
What are veins?
The heart is about the size of this part of your body
What is your fist?
These blood cells help fight infections
What are white blood cells?
This wall separates the left and right side of the heart
What is the septum?
After picking up oxygen in the lungs, blood returns to the heart through these veins
What are the pulmonary veins?
These tiny vessels connect arteries and veins and allow oxygen and nutrients to pass into tissues
What are capillaries?
Blood helps regulate this, explaining why you get red when you’re hot
What is body temperature?
This part of the blood helps it clot when you get a cut
What are platelets?
This valve prevents blood from flowing backwards between the lefty atrium and left ventricle
Blood leaves the left ventricle through this largest artery to deliver oxygen to the bod
What is the aorta?
This largest vein returns blood from the lower body to the heart
What is the inferior vena cava?
The heart is considered this type of muscle because it contracts on its own
What is cardiac muscle?
This protein found in red blood cells binds to oxygen
What is hemoglobin?
The heart has many chambers
What is four?
This valve prevents blood from flowing backward from the right ventricle to the right atrium
What is the tricuspid valve?
These arteries supply blood directly to the heart itself
What are coronary arteries?
Blood travels about this distance through your body every day
What is 60,000 miles?
Blood plasma is mostly made up of this liquid
What is water?