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cardiovascular
Question | Answer |
---|---|
what is the purpose of the circulatory system? | to deliver blood to the body |
what shape are blood vessels? | hollow tubes |
why is that a good shape to use in the circulatory system? | so cells can fit through them |
what happens to the speed of blood as it travels through smaller vessels? | slows down |
which blood vessels are the smallest? | capillaries |
vessels that move away from the heart are called... | artery |
the largest of these is the... | aorta |
vessels that move TOWARD the heart are called... | veins |
on which side of the heart is oxygen-poor? | left |
on which side of the heart is oxygen-rich? | right |
what is the artery that goes from the right ventricle to the lungs? | pulmonary artery |
what is the vein that goes from the lungs to the left atrium? | pulmonary vein |
what are the 2 things carried to the cells by the blood? | oxygen and nutrients |
what are the 2 things carried away from the cells by the blood? | carbon dioxide and other wastes |
which has thicker walls? ( atriums or ventricles ) | ventricles |
what is the power behind the circulatory system? | heart |
the circulatory system supplies the body with defenses against what? | bacteria and uiarses |
these chambers of the heart receive or collect. | atria |
these chambers of the heart pump or send. | ventricles |
what are the three types of cylinders in the circulatory system? | 1. artery 2. capillary 3. vein |
what is pulse? | when your valves open and close |
capillaries are thin-walled blood vessels that connect _____________ to _____________ | 1. artery 2. vein |
describe the path of blood through the body. | it goes from the body to the heart to the lungs back to the heart and back to your body |
cardiovascular system | a collection of organs that transport blood throughout the body |
artery | a blood vessel that carries blood away from the heart |
capillary | a tiny blood vessel that allows an exchange between blood and cells in other tissue |
vein | a vessel that carries blood to the heart |
pulmonary circulation | the flow of blood from the heart to the lungs and back to the heart |
systematic circulation | the flow of blood from the heart to all parts of the body and back to the heart |
blood pressure | each heartbeat that pumps blood into your arteries at high pressure |
ventricle | what the lower chamber is called |
atrium | each upper chamber |
blood vessels | blood traveling throughout your body in hollow tubes |
the fluid part of blood is called... | plasma |
what do red cells do? | takes oxygen to every cell in your body |
what destroys dead or damaged body cells? | white blood cells |
what helps you regulate body temp. | blood |
to what does blood type refer? | chemicals |
what does a transfusion attempt to replace? | blood that has been lost because of surgery or an injury |
blood is a ____________ tissue | connective |
what 4 things make up your blood? | plasma, red blood cells, white blood cells, and platelets |
hemoglobin | an oxygen-carrying protein found on red blood cells |
what gives red blood cells their red color? | oxygen |
what is responsible for stopping the flow of blood from a boo-boo? | platelets |
what are pathogens? | things that make you sick |
what chemicals are produced by white blood cells? | antibodies |
where is your blood pressure going to be your very highest? | aorta |
where does gas exchange take place? | capillaries |