Homeostasis Flashcards
Ch 29
1
Q
External Environment?
A
Surroundings in which an organism lives
2
Q
External Environment for Amoeba?
A
Fresh water
3
Q
External Environment for Human?
A
Air around us
4
Q
Internal Environment?
A
Surroundings of the cells in a multicellular organism
5
Q
Internal Environment for Human?
A
Tissue fluid
6
Q
What does tissue fluid do?
A
Surrounds every cell in the human body.
7
Q
Homeostasis?
A
Maintaining a constant internal environment
8
Q
Normal body temp. for humans?
A
37 Degrees celsius
9
Q
Normal blood pH for humans?
A
7
10
Q
What controls body temperature?
A
Skin
11
Q
What controls blood pH and tissue fluid pH?
A
Kidneys
12
Q
What controls the prevention of toxic waste building up?
A
Kidney + Liver
13
Q
What controls glucose levels?
A
Endocrine system?
13
Q
What controls oxygen concentrations?
A
Respiratory system
