Heart Quiz

Where does oxygen-poor blood enter the heart?

Where does oxygen-rich blood leave the heart from?

What tube does oxygen-poor blood go through to get to the lungs?

As blood leaves the aorta, it carries nutrients and __________ to the rest of the body.

Blood carries oxygen and nutrients to the cells of the body. It also removes waste and __________ away from the cells.

The blood receives oxygen from the _______.

The heart is divided by a wall that prevents oxygen-poor blood from mixing with oxygen rich blood. This wall is called the...

These tiny flaps within the heart act like one-way doors to prevent backflow of blood within the chambers of the heart.

The lub and the dub of your heartbeat is caused by the closing of these flaps within the heart.

The top two chambers of the heart are called the left and right ____________