This is the bone that protects the brain.
What is the cranium.
The muscular system is responsible for this
What is movement.
The main structures of the circulatory system are the blood vessels, the heart, and this.
What is the blood.
This is the number of times your heart beats in a minute.
What is your pulse.
The respiratory system provides the body with this.
What is oxygen.
This is the number of bones in the human body
What is 206
This type of muscle is found only in the heart.
What is cardiac.
These are the large vessels that carry blood away from the heart.
What are arteries.
This is the number of chambers in the heart.
What is 4.
This is where the exchange of gases between the air and the body takes place.
What are the lungs.
These are the two bones in your lower arm.
What are the radius and ulna.
This muscle is responsible for flexing the elbow.
What is the biceps.
These are the smallest blood vessels.
What are capillaries.
These are the structures that keep blood from flowing backwards.
What are valves.
This is the small flap of tissue that covers the entrance to the lungs.
What is the epiglottis.
This is the proper name for the kneecap
What is the patella
This is the large tendon at the back of the heel.
What is the Achilles.
These are the most numerous cells in the blood.
What are red blood cells.
These are the bottom chambers of the heart.
What are ventricles.
This is the large muscle at the bottom of the chest cavity.
What is the diaphragm.
These are the foot bones.
What are metatarsals.
This type of connective tissue connects bone to bone.
What are ligaments.
These cells are responsible for fighting infection.
What are white blood cells.
The Holiday that the heart is the symbol for.
What is Valentines Day
This is the inhaling and exhaling of air.
What is breathing.