B10- Human Nervous System Flashcards
1
Q
Define homeostasis
A
The regulation of internal conditions of a cell or organism to maintain optimum conditions for function (in response to internal and external changes)
2
Q
What is the role of automatic control systems?
A
They make sure that internal conditions of the body stay as constant as possible
3
Q
What two systems work together to keep the internal environment at an optimum?
A
- The nervous system
- The Hormonal/ Chemical messaging system
4
Q
What are the three internal conditions maintained by Homeostasis?
A
- Body Temperature
- Blood glucose concentration
- Water content of the body
5
Q
Why is Homeostasis important?
A
Because it maintains the body’s conditions at an optimum for enzyme action and all cell function
