cardiovascular system Flashcards
1
Q
hyperthermia
A
- too hot (greater than 37℃)
- vasodilation occurs
2
Q
vasodilation
A
- widening of the blood vessels (bigger)
- happens when your body gets too warm
- getting rid of excess heat
- redistribution of blood
3
Q
hypothermia
A
- too cold (less than 37℃)
- vasoconstriction occurs
4
Q
vasoconstriction
A
- narrowing of the blood vessels
- happens when the body is too cold
- trying to hold in body heat
- redirects heat to internal organs (away from extremities)
5
Q
types of blood vessels
A
- arteries (Away from heart)
- veins (IN to the heart)
- capillaries (gaseous exchange)
6
Q
A