Chapter 9 section 1 Flashcards
The word cardio means______?
heart
vascular means_
blood vessel
arteries, veins, and capillaries are______that carry blood pumped by the heart.
blood vessels
What make up the cardiovascular system?
heart, blood and blood vessels
What kind of tissue makes up most of the heart?
cardiac
Each upper chamber of the heart is called ?
atrium
Each lower chamber of the heart is called?
ventricle
The right side of the heart pumps oxygen poor blood to the
lungs
The left side of the heart pumps oxygen rich blood to the
body
When atria relax,what do ventricles do?
contract
Why do the hearts valves close?
To prevent blood from moving backward
What part of the heart makes the heart beat sound?
The valves
Artery
carries blood away from the heart
Blood pressure
pressure caused by heart beat
pulse
caused by rhythmic change in blood pressure
capillary
allows exchanges between blood and body cells
vein
carries blood back to the heart
What is the narrowest kind of blood vessel?
capilary
What kind of blood vessels are helped by the contracting of skeletal muscles?
vain
What kind of blood vessels stretch due to blood pressure?
arterie
What enters the blood when it is pumped to the lungs?
oxygen
What leaves the blood when it is pumped to the lungs?
carbon dioxide
Where does the exchange of blood and oxygen take place in the lungs?
capillaties
Pulminary circulation is?
The flow of blood between the heart and the lungs
Systemis circulation is?
The flow of blood between the heart and the rest of the body
Cardiovascular problems can harm the——
whole body
A_______and plenty of_____can reduce the risk of cardiovascular problems.
healthy diet and exercise
What is the leading cause of death in the US?
heart disseasse
atherosclerosis
fatty bulidup in blood vessels
hypertension
abnormally high blood pressure
stroke
brain damage caused by damage to blood vessels
heart attack
condition caused by the death of heart muscle cells
What can happen when blood supply to the heart is blocked?
Organs may be damaged by the lack of oxygen.