Blood vessels and Transportation

The force that blood exerts on the walls of arteries.

• Blood pressure

• Systolic pressure

• Diastolic pressure

• Heart rate

The measure of pressure on the walls of an artery, when the left ventricle contracts to pump blood through the body

• Blood pressure

• Systolic pressure

• Diastolic pressure

• Heart rate

Pressure in an artery when the left ventricle relaxes

• Blood pressure

• Systolic pressure

• Diastolic pressure

• Heart rate

They carry blood away from the heart and needs to be strong and flexible because they carry the blood under great pressure.

• Blood pressure

• Artery

• Vein

• Capillary

They carry blood back to the heart under much less pressure and

they have thinner walls and larger diameters.

• Blood pressure

• Artery

• Vein

• Capillary

They have valves to prevent backflow of blood.

• Blood pressure

• Artery

• Vein

• Capillary

They move blood between veins, arteries, and cells.

• Blood pressure

• Artery

• Vein

• Capillary

Their walls are made of epithelium, but they contain no muscle or elastic fibers.

• Blood pressure

• Artery

• Vein

• Capillary

The thinness of ............................... walls allow materials to diffuse into and out of the blood.

• Blood pressure

• Artery

• Vein

• Capillary

In the lungs, kidneys, and liver, small blood vessels form dense networks called .......................................... beds.

• Blood pressure

• Artery

• Vein

• Capillary