Digestive and excretory systems

Where does digestion begin?

• Mouth

• Stomach

• Kidneys

Which of the following is NOT used during digestion?

• Liver

• Mouth

• Stomach

• Lungs

What happens to the material that is not absorbed by the small intestine?

• It passes into the large intestine

• It is broken down into proteins in the stomach

• It moves to the liver

What is the main function of the digestive system?

• to filter blood

• to break down food and absorb nutrients

• to send chemicals messages

What structure carries liquid waste from the kidney to the bladder?

• nephron

• urethra

• ureter

Organs that filter waste material from the blood are called ______________.

• pacreas

• gallbladder

• kidneys

The kidneys send the urine to the bladder through tubes called ureters. What happens next?

• Urine is stored in the bladder.

• Urine passes out of the body through a tube called the urethra.

• Urine is stored in the gallbladder.

Which organ pushes food down to the stomach?

• Mouth
• Esophagus
• Rectum
• Large intestine

Which is NOT a function of the Digestive System?

• To rid the body of solid waste
• Absorb nutrients for energy & growth
• Break down nutrients from food
• Pump blood around the body

One major function of the excretory system is to clean the what?

• urine
• blood
• kidneys
• bladder