Question

Sweat contains which of the following components?

• A. NaCl
• B. Urea
• C. Ammonia
• D. All of the above

Answer 1

The correct option is D All of the above

Sweat gland secretes a watery, hypotonic sweat that contains NaCl, urea, ammonia and uric acid. The glands are important components of the body's thermoregulatory apparatus, with the evaporation of eccrine sweat helping to cool the body. Eccrine sweat also serves as an excretory vehicle for nitrogen containing compounds.

Therefore, the correct answer is option D.