Homeostasis and Excretion Flashcards
1
Q
What is homeostasis?
A
Is the maintaining of a constant internal environment
2
Q
What is excretion?
A
The process by which waste products of metabolism are removed from the body
3
Q
Which organs excrete what?
A
Lungs - CO2
Kidney - Urine, water and salt
Skin - Water and salt
4
Q
What does your body do if it is too hot?
A
Sweat glands release more sweat and then the liquid sweat evaporates via latent heat of vaporisation.
Vasodilation
Hair erector muscles lie flat