biology 1150 test two (homeostasis)

Question 1

________ is the constant adjustment to respond to change in internal and external environments

Answer 1

homeostasis

Question 2

_______ system and ______ system are mostly responsible for internal communication

Answer 2

nervous / endocrine

Question 3

how is homeostasis maintained

Answer 3

through negative feedback mechanisms

Question 4

what are negative feedback mechanisms

Answer 4

corrective measure that slow or reverse variation from a normal value, stopping once normal value is reached

Question 5

what are the three components of homeostatic mechanisms

Answer 5

receptor, control center, effector

Question 6

_______ detects a change in the internal or external environment

Answer 6

receptor

Question 7

_______ (brain) integrates the information coming from all receptors and selects an appropriate response

Answer 7

control center

Question 8

_______ (muscle or gland) carries out the response

Answer 8

effector