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Co-ordination and response

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Question 4

The human body regulates various physiological systems to maintain a stable internal state.

a.

(i) State the biological term used to describe the maintenance of a constant internal environment.

[1]
b.

(ii) State the name given specifically to the regulation of body temperature.

[1]
c.

An athlete exercising on a hot day experiences an increase in body temperature.

Explain how the body detects this increase and restores the temperature back to its normal level.

[4]
d.

The response to temperature changes involves coordination by both nerves and hormones.

State three differences between communication by nerves and communication by hormones.

[3]

Co-ordination and response Questions

  1. IGCSE
  2. /Biology
  3. /Co-ordination and response