Thermoregulation

Question 1

Name the term given to the body’s system for maintenance of body temperature?

Answer 1

THERMOREGULATION

Question 2

The body’s core temperature is around how many degrees?

Answer 2

37

Question 3

Our shell temperature (the periphery) is usually 1 to ___ degrees cooler than the core.

Answer 3

6

Question 4

Name the 4 functions of the body’s largest organ - skin?

Answer 4

1. PROTECTION
2. ABSORPTION
3. EXCRETION
4. THERMOREGULATION

Question 5

Changes in temperature are detected by _______________ located in the skin and within the body.

Answer 5

THERMORECEPTORS

Question 6

Name the part of our brain which “acts as a thermostat”?

Answer 6

HYPOTHALAMUS

Question 7

What do blood vessels do in response to temperature stimuli?

Answer 7

CHANGE DIAMETER

Question 8

What is the mechanism called when blood vessels narrow in response to COLD?

Answer 8

VASOCONSTRICTION

Question 9

What is the mechanism called when blood vessels widen in response to HEAT?

Answer 9

VASODILATION

Question 10

During vasoconstriction, blood is moved from superficial tissues to the ________.

Answer 10

CORE

Question 11

During vasodilation, blood is moved toward what?

Answer 11

SKIN SURFACE

Question 12

Name the three main reactions to vasoconstriction?

Answer 12

1.  SYSTEMIC METABOLISM INCREASES
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2.  SHIVERING
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3.  GOOSEBUMPS/PILOERECTION

Question 13

Name the three main reactions to vasodilation?

Answer 13

1.  PERSPIRATION
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2.  SKELETAL MM TONE DECREASED (BETTER MOVEMENT)
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3.  SYSTEMIC METABOLISM DECREASES