ConceptConceptDocsDocuments

CAIE IGCSE Biology 14.4.7 Mammalian Temperature Control

Practise explaining body-temperature regulation through insulation, sweating, shivering and coordination by the brain.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • trace temperature detection through receptors and sensory impulses to the brain
  • explain cooling through sweating and evaporation when body temperature rises
  • explain warming through shivering and insulation when body temperature falls

14.4.7—Maintenance of a constant internal question 1

[Maximum number: 4]

Fig. 6.1 is a flow chart of some of the events that occur to maintain a constant body temperature.

Fig. 6.1

Fig. 6.1

Question (a)

(a)

State the name of one effector shown in Fig. 6.1.

[ 1 ]

Question (b)

(b)

Describe how the sweat glands and the hair erector muscles function in mammals when the external environment is hot.

[ 3 ]
All question bank results loaded