After delivering its oxygen cargo ot the various tissues, the blood needs to pick up more oxygen. Where does blood go to get more oxygen?

There are different things that make up blood including red cells, white cells, platlets and plasma. What is the liquid part of blood that transports water, nutrients, hormones etc?

The heart is able to move blood because it is mostly myocardium, otherwise known as

There are two major stages of a heartbeat:

One is when the heart chambers contract and pump the blood. What do we call the other stage, where the heart chambers rest and refills with blood?

Which blood vessels carry blood away from the heart?

Arteries and veins carry blood in opposite directions.

Which kind of blood vessel carries blood away from the heart and towards the lungs?

This picture shows a clot, where blood becomes a sticky solid that can stop blood flowing through a vessel.

What do we call this blockage?

If embolism happens in the heart, it loses its blood supply and oxygen. What happens to the heart tissue next?

If an artery begins to bulge like a balloon, it becomes stretched thin, weak and eventually bursts open.

What do we call this?