Cardiovascular System Flashcards
What is the function of the heart
To pump blood into the arteries
What are the functions of the blood vessels
To transport blood
What is the function of blood
To transport gases, nutrients, hormones and waste
To regulate body temp, osmotic pressure and pH levels
To protect the body by clotting and fighting infection
What’s the function of an artery
To store pressure
What’s the function of an arteriole
Temp and blood pressure regulation
What’s the function of a capillary
Site of exchanges of materials such as nutrients and waste between blood and interstitial fluid
What’s the function of a venule
Carry WBCs into inflames or infected tissues
What is the function of a vein
Prevents backflow with valves
What are the components of blood
Cells and fragments which make up 45%, includes red blood cells
Plasma which makes up 55% and is extracellular material, water, electrolytes and solutes
What are infections of the blood
When microbes infect the blood stream via an open wound or internally and it’s called Septicaemia caused by bacteria like E. Coli
What are the functions of red blood cells
To transport oxygen
What are the functions of white blood cells
To fight infections in the body
What are the functions of platelets
To generate clotting
What is the function of plasma
It’s a mixture that carries different solutes, emulsions and suspensions around the bloodstream
