Blood
what are the four components of blood?
Right atrium, left atrium, right ventricle and left ventricle
What are the four chambers of the heart?
a blood vessel that carries blood away from the heart
what is an artery?
the force with which ventricles of the heart contract create blood pressure
what creates blood pressure?
transports nutrients and other life-sustaining substances
what is the circulatory system?
Tiny cells that look red because they contain a protein called hemoglobin
What are Red Blood Cells?
Superior vena cava
Where does the blood enter in the heart?
a blood vessel that carries blood back to the heart
what is a vein?
blood would not be able to reach all parts of the body
what would happen without blood pressure?
the circulatory system
what includes the cardiovascular system and lymphatic system?
Body's denfense team
a major artery that carries oxygenated blood throughout the body
what is the aorta?
A tiny vessel where substances are exchanged between blood and body cells
what is a capillary?
what you feel when you are aware of your heart beating fast
Pumping action
The heart.
what is the main structure of the circulatory system?
Forms a clot when you get cut
what are platelets?
A fist-sized organ that has the neverending job of pumping blood around the body.
what is the heart?
oxygen and other materials move through capillary walls
what is diffusion?
when valves stiffen and do not work well
what is stenonsis?
this gives hormones nutrients and gases to the body
what is the circulatory system
Watery part of the blood where other blood cells float around
What is plasma?
what happens to the oxygen when it leaves the heart
connects to the rest of your body through a system of vessels.
what is your heart?
when valves leak
what is regurgetiaton?
when blood maintains a constant ph, temperature and osmotic pressure
what is homeostasis