The heart works as ________.
One pump
Two pumps
The left ventricle pumps blood through the aorta to the body. The right ventricle pumps blood through the pulmonary artery to ________.
The lungs
The brain
The kidney
When the heart is working inside the body, the job of the atria is to ________.
Increase the blood pressure
Suck blood from the incoming veins
Fill the ventricles
When you compress the heart in this demonstration, why does the water squirt out of the artery?
The arterial valve sucks the water out of the ventricle
The atrio-ventricular valve has parachute-like flaps to stop the water coming out the top
The atrio-ventricular valve works like a rigid door to stop the water coming out the top
The two sides of the heart can be described as
Symmetrical- the left is just like the right
Asymmetrical- the right ventricle is thicker than the left
Asymmetrical- the left ventricle is thicker than the right