The Human Heart
The heart is an organ that pumps blood around the body in a double circulatory system.
Which chamber of the heart pumps blood to the lungs?
What is The Human Heart?
"The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system."
Which answer best completes the statement? ____ tissue is made of hollow tubes that transport water
A student thinks that stents are used to thin the blood. Why is this incorrect?
Choose the correct option to complete the statement. Enzymes have an ____ that fits a specific substrate
Which answer best completes the statement? Proteases break down proteins into ____
Cardiac Structure
Right side: Pumps deoxygenated blood to the lungs.
Left side: Pumps oxygenated blood to the rest of the body (thicker muscle wall).
Ventricles: Lower chambers that pump blood out.
Atria: Upper chambers that receive blood.
Valves: Ensure blood flows in the correct direction.
The left ventricle wall is much thicker because it has to pump blood all the way around the body, not just to the lungs.
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