Tell me about Single Circulatory Systems...

Tell me about Double Circulatory Systems...

What does the CORONARY ARTERY do?

What does the PULMONARY VEIN do?

What does the AORTA do?

What does the VENA CAVA do?

What does the PULMONARY ARTERY do?

This needs a constant supply of glucose and oxygen to release energy through respiration.

Carry blood under high pressure away from the heart.

Have valves to prevent backflow.

The heart pumps blood around the body through...

Name 3 places that you can take your pulse

A measure of the heart beat (muscle contraction) to put the blood under pressure...

The heart beat is controlled by groups of cells called...

What does a pacemaker do?

What is the SINOATRIAL NODE (SAN)?

What is the ATRIOVENTRICULAR NODE (AVN)?

What is the name of a hormone that can alter the heart rate?

What is the test called where you can monitor the electrical impulses from the heart?

What is the test called that uses ultrasound to produce an image of the beating heart?