Quiz: Digestive and Excretory System

The group of organs that break food down into molecules small enough to be absorbed and transported throughout the body

• Circulatory System

• Digestive System

• Nervous System

• Respiratory System

A muscular organ that continues mechanical digestion by contracting and squeezing its contents, and breaks food molecules down with enzymes during chemical digestion

• esophagus

• stomach

• large intestine

• small intestine

The teeth chew food and the stomach churns food into smaller particles. What is the name of this process?

• chemical digestion

• mechanical digestion

• absorption

• enzyme activity

A series of wave-like muscle contractions that moves food to different processing stations in the digestive tract.

• adduction
• primary wave
• peristalsis
• inversion

Which organ does most of the chemical digestion of food and allows nutrients to be absorbed into the body?

• stomach
• esophagus
• small intestine
• liver

Which secondary organ produces insulin and other digestive juices to further break down the food in the small intestines?

• liver
• gallbladder
• mouth
• pancreas

Which organ of the excretory system stores urine until the body is ready to eliminate it?

• ureters
• urethra
• urinary bladder
• urea

Under normal conditions, which of the following substances is found in urine?

• blood cells
• protein
• glucose
• urea

Urine flows out of the kidneys through narrow tubes called

• Gallbladder
• Ureter
• Nephrons
• Urethra

Tiny filtering structures where urine is produced in the kidneys are called

• ureters.
• alveoli.
• nephrons.
• bronchi.