Digestive and Excretory Systems Interactive

Multiple Choice

What happens to your food after you eat it?

• Food is instantly converted into energy.
• Food is stored in the stomach indefinitely.
• Food is digested and nutrients are absorbed, with waste excreted.
• Food is transformed into liquid and absorbed through the skin.

Multiple Choice

Which of the following organs are NOT a part of the digestive system?

• Bladder

• Stomach
• Liver
• Large intestine

Multiple Choice

Breaking down food physically is called chemical digestion.

• True

• False

Multiple Choice

What is the difference between the organs in the digestive tract and the accessory organs?

• The digestive tract includes organs that process food directly, while accessory organs aid digestion without being part of the tract.
• Accessory organs are responsible for nutrient absorption.
• The digestive tract includes only the stomach and intestines.
• Accessory organs are part of the digestive tract.

Multiple Choice

Food and digestive juices combine to make a semifluid called:

• puree
• chyme
• bile

• pancreas

Multiple Choice

Digestion begins in the:

• stomach
• esophagus
• small intestine
• mouth

Open Ended

Describe how the digestive system works with other systems such as the circulatory or respiratory systems.

Match

Match the following:

• Mouth

• Teeth

• Salivary glands

• Tongue

• Esophagus

Digestion begins here

Chews food (mechanical digestion)

Releases saliva

Helps push food to the esophagus

Food pipe - transport food to stomach

• Digestion begins here

• Chews food (mechanical digestion)

• Releases saliva

• Helps push food to the esophagus

• Food pipe - transport food to stomach

Match

Match the following:

• Stomach

• Small intestine

• Large intestine

Food mixed with acids for digestion

Absorbs nutrients and water

Eliminates waste

• Food mixed with acids for digestion

• Absorbs nutrients and water

• Eliminates waste

Multiple Choice

Which of the following is NOT a part of the excretory system?

• Lungs
• Kidneys
• Brain

• Skin

Multiple Choice

True or False: Waste is removed from the skin through sweat.

• False

• True

Multiple Choice

Which of the following is a waste product that the lungs excrete?

• Carbon dioxide (CO2)

• Oxygen (O2)

• Bile

• Sweat

Multiple Choice

What organ filters your blood?

• Kidneys
• Lungs
• Heart
• Liver

Multiple Choice

What organ removes solid, undigested food?

• Large intestine

• Stomach
• Pancreas
• Liver

Multiple Choice

True or false: The structures in the kidneys that filter the blood are called nephrons.

• True

• False

Open Ended

Describe how the excretory system ties in many body systems together.