Anatomy Terms
What are blood vessels
tubelike structures that carry blood throughout the body
red fluid contained in the blood vessels, contains red blood cells, white blood cells, platelets, and plasma
What pumps blood through your body?
the heart
describe the heart
A hollow, muscular organ that pumps blood throughout the body.
what is the atria?
the upper chamber of the heart
What are arteries?
carry blood away from the heart
White blood cells
Blood cells that perform the function of destroying disease-causing microorganisms
Arteries branching away from the heart become
smaller
What percent of blood is liquid?
55%
what is a ventricle?
the lower chamber of the heart
What are veins
carry blood to the heart
Red blood cells
Cells that carry oxygen to the body's tissues
veins leading back to the heart become
larger
What percentage of blood are cells?
45%
What is a valve? What is it's role in the heart?
A flap of tissue in the heart or a vein that prevents blood from flowing backward.
What are capillaries?
smallest blood vessels
Platelets
blood clotting factor
the majority of our blood vessels are...
capillaries
What percentage of blood is red blood cells?
43%
Septum
the dividing portion of the heart
What is plasma
fluid portion of the blood
The heart, blood vessels and blood make up the ________________
circulatory system
what is the movement of blood through the body called?
circulation
What percentage of blood is white blood cells?
2%
give the defintion of blood pressure
the pressure that is exerted by the blood against the walls of blood vessels