Blood Vessels Flashcards
Blood vessels are _________ that carry blood throughout your body.
pipes
All of your blood vessels are __________ together.
linked
This provides the ___________ ___________ for your blood.
transport system
It takes only _____ ____________ for your blood to travel through the _____________ _______________.
one minute
circulatory system
Blood vessels are classified by where they carry blood. ____________ carry blood from the heart to all the parts of the body.
Arteries
_____________ carry the blood back to the heart.
Veins
________________ are the small blood vessels that connect arteries and veins.
Capillaries
All cells need blood. Arteries and veins are often named by where they are located in the body. ____________ is a word that means “relating to the heart”.
Coronary
A network of blood vessels supplies the heart with blood. The arteries and veins that supply blood for the heart are the ___________ _____________ and the ____________ ___________.
coronary arteries
coronary veins
_______________ is a word that means “relating to the lungs”.
Pulmonary
The artery that goes to the lungs is called the ______________ ______________.
pulmonary artery
Arteries have __________, ____________ walls.
thick, muscular
The artery wall can _________ and _________ as the heart pumps blood through them.
expand relax
The heart ____________ and pushes blood into the arteries.
contracts
This makes the artery wall ___________, or stretch out.
expand
When the heart __________, the walls spring back into place. This causes the artery to become ___________.
relaxes
smaller
The blood is pushed forward. When you feel your pulse, you are feeling the artery ____________ and ____________.
expand relax
The ____________ is the largest artery in the body. It is about the diameter of a garden hose.
aorta
The aorta is attached to the ______ ____________ of the heart and carries blood away from the heart.
left ventricle
Arteries branch off of the aorta and smaller arteries. The smaller arteries are called _____________.
arterioles
_______________ are the smallest blood vessels. They can only be seen with a _______________.
Capillaries
microscope
Every _______ in the body is close to a capillary.
cell
Capillaries have thin walls. As blood in capillaries flows past other cells, __________ and ____________ in the blood pass through the capillary walls into surrounding cells.
oxygen nutrients
At the same time, __________ _____________ and other wastes from the cells pass into the capillaries and are carried away by the blood. This process keeps the cells healthy.
carbon dioxide
