Excretory System

What is the main function of the Excretory System?

• Get rid of waste products from your cells and maintain homeostasis.

• Produce hormones that regulate metabolism.

• Transport oxygen and nutrients to cells.

• Protect the body from infections and diseases.

What is the process of excretion?

• The removal of waste products from the body.

• The absorption of nutrients into the bloodstream.

• The breakdown of food in the stomach.

• The circulation of oxygen in the blood.

Why is it important to maintain homeostasis in the excretory system?

• To ensure the body functions properly and to prevent the buildup of harmful substances.

• To increase the absorption of nutrients in the digestive system.

• To enhance the production of hormones in the endocrine system.

• To improve the efficiency of the respiratory system.

List the organs of the excretory system.

• Heart, lungs, stomach, kidneys

• Skin, liver, bladder, kidneys

• Brain, pancreas, spleen, ureters

• Liver, gallbladder, intestines, urethra

What is the role of the kidneys in the excretory system?

• To filter blood and produce urine.

• To absorb nutrients from food.

• To regulate body temperature.

• To produce hormones for growth.

What are ureters?

• Tubes that carry urine from the kidneys to the bladder.

• Muscles that help in the contraction of the bladder.

• Veins that transport blood from the bladder to the kidneys.

• Nerves that control the sensation of urination.

Through which part of the body does urine leave?

• Urethra

• Bladder

• Kidney

• Ureter

What is the only organ in the Excretory System that changes size?

• Kidney

• Liver

• Bladder

• Ureter

How does the skin contribute to the excretory system?

• By excreting sweat, which contains waste products.

• By absorbing nutrients from the environment.

• By producing hormones that regulate metabolism.

• By filtering blood and producing urine.

What is the function of the urethra?

• To transport urine from the bladder to the outside of the body.

• To filter blood and produce urine.

• To store urine until it is excreted.

• To regulate the body's water balance.