6B. Regulation of Body Temperature

Question 1

4 ways to lose or gain heat

Answer 1

Radiation, Evaporation, Conduction, and Convection.

Question 2

Conduction

Answer 2

the transfer of heat through physical contact with another object

Question 3

Convection

Answer 3

the transfer of heat via the movement of a liquid or gas between areas of different temperature

Question 4

Evaporation

Answer 4

the loss of heat via the conversion of water from liquid to gas

Question 5

Radiation

Answer 5

The transfer of heat via electromagnetic waves

Question 6

Equation

Answer 6

Total heat change = heat in + metabolic heat – heat out

Question 7

Endotherm (warm-blooded)

Answer 7

able to generate the majority of heat energy internally using metabolic processes

Question 8

Ectotherm (cold-blooded)

Answer 8

produce very little metabolic energy, relies on environmental sources for heat

Question 9

Too hot (Stimulus-Response Model)

Answer 9

Stimulus
increase in internal body temperature

Receptor
thermoreceptor

Modulator hypothalamus.

Effector
cerebral cortex

Response
change in behaviour - such as turning on the fan

Question 10

Too cold (Stimulus-Response Model)

Answer 10

Stimulus
decrease in internal body temperature

Receptor thermoreceptor

Modulator hypothalamus

Effector
cerebral cortex

Response
change in behaviour - such as putting a jumper on