Lung
Artery
Blood Vessels
Heart
Veins
100

how are the lungs involved in the circulatory system?

oxygen is moved into the bloodstream and carried through your body

100

where do arteries carry blood?

arteries carry blood away from the heart

100

what is the function of blood plasma

to transport digested food

100

what do the valves in the heart do?

valves prevent backwards flow of blood

100

where do veins carry blood?

carry blood back to heart

200

oxygen is exchanged for what?

waste gas called carbon dioxide

200

the circulatory system carries what?

oxygen, nutrients, and hormones

200

which type of blood vessel has a 'pulse'?

artery

200

blood passes through a what before leaving each chamber of the heart

valve

200

what system do veins work with?

the vascular system, also called the circulatory system

300

what is it called when the oxygen in inhaled air passes across the thin lining of the air sacs and into the blood vessels?

diffusion

300

where do the arteries carry blood to store it?

to cells

300

which type of blood vessel has valves inside?

veins contain valves to prevent backflow of blood

300

what is the circulation called of blood in the arteries and veins that supply the heart muscle

coronary circulation

300

which veins carries oxygenated blood?

pulmonary veins 

400

what connects the lungs to the heart?

the main pulmonary artery
400

how many arteries are in the body?

more than 20

400
which type of blood vessel carries blood away from the heart?

artery

400

the network of nodes specialized cells and electrical signals that keep your heart beating is called?

is called conduction

400

what is the smallest vein in the body

venules

500

how are the lungs protected?

mucus

500

which artery has the highest flow?

aorta

500

which blood vessel leaves the lung?

pulmonary vein
500

what is happening when the valves in the heart open and close?

heart beating sounds

500

the main vein in the human body

superior vena cava