A person's skin temperature is 35 ∘C35\ ^\circ\mathrm{C}35 ∘C in surroundings at 40 ∘C40\ ^\circ\mathrm{C}40 ∘C. Their sweat continues to evaporate.
Which statement correctly describes heat exchange in these conditions?
Heat transfers to the surroundings, and sweat evaporation adds energy to the skin.
Heat transfers to the surroundings, and sweat evaporation removes energy from the skin.
Heat transfers from the surroundings, but sweat evaporation removes energy from the skin.
Heat transfers from the surroundings, but sweat evaporation adds energy to the skin.
78 exam-style questions on Edexcel GCSE Biology 7.3 Homeostasis and thermoregulation, covering 7.3.1 Importance of a constant internal environment, 7.3.2 Importance of homeostasis, 7.3.3a Thermoregulation via the skin and hypothalamus, and 7.3.3b Vasoconstriction and vasodilation in thermoregulation. Each one has a worked solution and a mark scheme showing where the marks go.