homeostasis ch10

Question 1

the ability to maintain a relatively constant internal environment

Answer 1

homeostasis

Question 2

Failure to maintain homeostasis can lead to ___________

Answer 2

multiple problems

Question 3

true or false : many animal live in changing environment

Answer 3

true

Question 4

human being internal temperature :

Answer 4

98.6 f

Question 5

single-celled organism easy access to food and oxygen surrounding it and expel waste across ____________ found at the ___________of its external environment

Answer 5

1-plasma membrane
2-mercy

Question 6

multicellular organism has Cell and tissue function is highly dependent on the _______ environment and __________fills space between cells and it keeps __________and _________condition of internal environment stable

Answer 6

1-internal
2-extracellular fluid
3-chemical
4-physical

Question 7

bodies function best within ________of internal condition

Answer 7

1-narrow range

Question 8

a target value or range to which a system can return

Answer 8

set point

the level or point at which a variable physiological state (as body temperature or weight) tends to stabilize

Question 9

control of homeostasis :

Answer 9

1-negative feedback
2-positive feedback
3-feedward feedback

Question 10

negative feedback
common in animal :

Answer 10

Return the system back to the set point

Question 11

positive feedback :

Answer 11

allows further deviation from the set point

de ve yeh shn=الانحراف

de via tion

Question 12

feedforward feedback

Answer 12

causes change in the set point