This is a muscle in your mouth that helps to push the food down to the esophagus.
What is the tongue.
100
Your body needs this gas in order to stay alive.
What is oxygen.
100
This pump has 2 upper and 2 lower chambers.
What is the heart
200
The breastbone is also known as this bone.
What is the sternum.
200
These are the kinds of muscles that can be controlled.
What is voluntary.
200
It is the part of the digestion that is 4 times as large as your own height.
What is the small intestine.
200
The trachea divides into these 2 tubes which lead to the lungs.
What is bronchial tubes.
200
These large blood vessels carry blood away from the heart.
What is arteries.
300
Fixed, hinge, and ball-and-socket are all kinds of these.
What are joints
300
This is a kind of muscle tissue found in the heart and it is also striped.
What is cardiac
300
This large organ creates an acid called bile to help break down the food when it enters the small intestine.
What is the liver.
300
This happens when the diaphragm pushes the air back out of the lungs.
What is exhaling.
300
These blood cells carry oxygen and carbon dioxide in the body.
What is red blood cells.
400
These are the two bones that protect the brain and the heart and lungs.
What is the skull and ribcage.
400
This is the chewed up food that goes into your esophagus and is shaped like a round ball.
What is a bolus.
400
This is a dome shaped sheet of muscle under the lungs.
What is the diaphragm.
400
These blood cells help the body attack germs and fight diseases.
What is white blood cells.
500
This is found in the very center of the bone and is a soft tissue that makes new blood cells.
What is bone marrow.
500
These are opposite pairs of muscles.
What are biceps/triceps or the quadriceps/hamstring.
500
This is the amount of time it takes to go through the entire process of digestion.
What is 24 to 48 hours.
500
There are hundreds of millions of these tiny air sacs in the lungs.
What is alveoli
500
The arteries branch into these blood vessels that are so tiny that only oneProxy-Connection: keep-alive
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ell at a time can pass through th