we following questions:
1. Study the given figure and answer the following questions.
i. Label the parts 1 to 12
ii. How does skin helps in maintaining body temperature
iii. State the functions of part labelled 4,5,9 and 10
iv. Name the excretory substances present in the sweat.
blood capileris, sweat duct
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ii. The skin's immense blood supply helps regulate temperature: dilated vessels allow for heat loss, while constricted vessels retain heat.
iv. Both the kidneys and the sweat glands excrete nitrogenous wastes, water and electrolytes. They are also involved in maintaining acid-base balance.
(i) and (iii) can only be answered after studying the figure.
plz kindly attach the figure next time.
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