Day 3 Circulatory system Flashcards
What are the three main structures of the circulatory system
The Heart
The blood vessels
The Blood
What are the functions of the circulatory system
Fluid delivery Nutrient delivery Gas exchange Fight infection carry hormones Heat control
What are the three layers of the heart?
Pericardium
Myocardium
Endocardium
What do WBC’s do?
Fight infection
What do RBC’s do?
Carry 02
Where are Blood cells formed
In bone marrow
whaqt is systole
pumping
what is diastole
filling
what and the 5 types of blood vessels
Arteries, artioles, veins, venules and capillaries
what is cardiac output
stroke volume x HR
what is hypotension
low BP
what is hypertension
high BP
what RE THE FCNS OF BLOOD
deliver 02, removes co2, maintains temp, carries hormones, delivers fluids, fight infection
what is the make up of blood
plasma 55%, cells 45%
what is plasma made up of
90%water, salts, plasma proteins, nutrients, waste, hormones