Exercise in the heat Flashcards
1
Q
How is heat gained
A
Environmental and metabolic
2
Q
How is heat lost
A
radiation, conduction, convection and evaporation
3
Q
What is heat regulated by and what does it do
A
preoptic-anterior hypothalamus, it singlas to sympathetic NS and vasodilation occurs
4
Q
Describe some CV functions in heat
A
increased BF due to vasodilation, increased Q, decreased SV and therefore increased HR due to CV drift, decreased performance
