CAIE IGCSE Biology 14.4.6 Structures of Human Skin
Practise identifying hairs, erector muscles, sweat glands, receptors, sensory neurones, blood vessels and fatty tissue.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- identify coiled sweat glands, hairs and attached hair erector muscles in skin sections
- distinguish receptors and sensory neurones from nearby blood vessels
- locate fatty tissue beneath the dermis and link its position with insulation
14.4.6—Of the skin: hairs, hair erector question 1
Fig. 1.2 shows the pressure of blood flowing through different blood vessels as it travels around the body. (Venules are narrow vessels that connect capillaries to veins.)
Fig. 1.2
Blood vessels X in Fig. 1.2 supply blood to skin-surface capillaries and have a role in maintaining a constant internal temperature.
State the name of the blood vessels that are represented by the letter X in Fig. 1.2.
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