Excretory System Quiz - p.1

What is the primary function of the excretory system?

• To absorb nutrients

• To eliminate cellular wastes from the body

• To produce hormones

• To control body temperature

Which organs are involved in the excretory system?

• Lungs, heart, and liver

• Kidneys, lungs, skin, and digestive system

• Skin, heart, and stomach

• Brain, kidneys, and lungs

Which waste products are removed through the lungs?

• Urea and uric acid

• Ammonia and water

• Carbon dioxide and water

• Salt and urea

What is the composition of sweat?

• Water and sugar

• Salt, water, urea, and uric acid

• Carbon dioxide and water

• Urea and ammonia

What happens when the blood vessels near the skin dilate?

• Body temperature increases

• Heat is retained within the body

• Sweat is absorbed into the skin

• More warm blood reaches the skin surface, cooling the body