They lose less heat through their lungs / they are more active / the ratio of the outside body surface to the inner volume is smaller?ġ7. Large animals find it easier to keep warm than small ones because: Vitamin A / Vitamin B12 / Vitamin C / Vitamin D / Vitamin E / Vitamin K.ġ6.
COLORING PAGE LAYERS OF THE SKIN SKIN
Which vitamin is produced in the skin in sunlight? Smooth muscle around capillaries / adipose tissue / sweat glands / sebaceous glands / hair / shivering / panting.ġ5. Which of the following are NOT important in temperature regulation of the body:
Medulla oblongata / pituitary gland / hypothalamus / sympathetic nervous system.ġ4. Temperature regulation is under the control of the: All vertebrates are homoiothermic (warm blooded) animals. Sense organs for touch, pressure, pain and temperature are found in the:Įpidermis / subcutaneous fat layers / dermis?ġ2. Gives humans goose bumps / squeezes out sweat / makes animals hair stand on end / reduces blood flow in the skin / makes animals shiver.ġ1. The function of melanin in the skin is to:Ĭause cancer / give the skin a nice colour / protect underlying layers from the harmful rays of the sun / make the skin tough. Which of the following is NOT a keratin skin structure:įoot pads / hair / nails / feathers / antlers / reptilian scales / horns?ħ. Makes it stronger / gives it colour / makes it waterproof / makes it flexible / kills the cells.Ħ. Keratin deposited in the epidermal cells: Keratin is deposited in them / they become flattened and scale-like / they die / they become thicker / they become more active / they are shed from the surface / fat is deposited in them / they grow hairsĥ. Which of the following happens to epidermal cells as they move up to the Add the following labels to the diagram of the skin shown below.Įpidermis, dermis, fat cells, hair shaft, hair follicle, hair erector muscle, sweat gland, pore of sweat gland, sebaceous gland, blood capillariesĤ. Which is the thickest layer: the dermis / the epidermis?ģ. The outermost layer of the skin is: the dermis / the epidermis / fat layerĢ.
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