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6. peripheral thermoreceptors primary role is to warn the hypothalamus that a temperature change is coming
7. fast responses travel via the ________ system
8. reactions that release energy in the form of heat
- endothermic
- exergonic
- thermoflammatory
9. endotherm
- an organism that uses heat from metabolic reactions to maintain body temperature
- an organism that relies on external sources of heat to maintain body temperature
10. negative feedback involves ________ a change
11. enable rapid responses
- neuronal system
- hormonal system
12. the part of the brain that coordinates homeostatic responses
- kidney
- hypothalamus
- pituitary gland
13. enables long-term responses
- hormonal system
- nervous system
14. organisms that are able to maintain a constant body temperature
15. which is not a disadvantage of endotherms?
- overheat in hot weather
- use a lot of energy to maintain body temperature so less remains for growth
- they can live in colder parts of the environment
- require more food
16. to WARM UP, an ectotherm.....
- moves into the sun, lies on a warm surface, exposes a larger surface area to the sun
- moves out of the sun, moves underground, exposes a smaller surface area to the sun
17. A good communication system should NOT ....
- enable rapid communication
- enable short term + long term responses
- enable cells to communicate with each other
- enable specific communication
- be able to secrete ADH
- cover the whole body
18. which is not behaviour of an endotherm to lose heat?
- wet skin evaporating
- spread limbs out
- hide from sun
- remain inactive
- roll into a ball
- reduce SA exposed to sun
19. central receptors detect changes to the ________ environment
20. ______ _____ muscles contract to raise the hairs on the skin
- skeletal
- erector pili
- smooth