functions of cardiovascular system 1.2.1 Flashcards
what makes up the cardio respiratory system
heart, blood and blood vessels
what are the three main functions
transporting oxygen carbon dioxide and nutrients
helps the blood clot
controlling the body temp
what waste products does it transport
carbon dioxide lactic acid
what part of the blood allows for clotting
platelets
why is clotting important
it protects against infection and excessive bleeding
how does temperature regulation work
controlling the diameter of the lumen of our blood vessels
when the body is too hot what do the blood vessels do
vasodilate increasing blood flow for it to be cooled
when the body is too cold what do the blood vessels do
vasoconstrict get smaller and further from surface