Digestive and Excretory Systems - Explain

Digestive and Excretory Systems

Explain

Warm Up!

• what path does food take through the digestive system?

• what function do your kidneys perform?

Open Ended

How do the digestive and excretory systems work together?

Multiple Choice

The main function of the digestive system is to break down food into something your body can use.

• True

• False

Multiple Choice

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

Multiple Choice

Muscular tube that connects the mouth to the stomach

• Epiglottis
• Peristalsis
• Stomach
• Esophagus

Multiple Choice

stores bile produced by liver

• liver
• gallbladder
• pancreas

Multiple Choice

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

• ureters
• urethra
• urinary bladder
• urea

Multiple Choice

Which excretory organ eliminates water and some chemical wastes in perspiration?

• lungs
• skin
• liver
• kidneys

Check for Understanding

• what is the path that food takes through the digestive system?

• what function do the kidneys perform?

Open Ended

What other systems work with the digestive system to help process the food we consume into materials our bodies need?

Multiple Choice

Where does digestion start?

• stomach
• mouth
• esophagus

Multiple Choice

Once food leaves the small intestine, it enters the stomach.

• True

• False

Multiple Choice

What function do the kidneys perform?

• eliminate carbon dioxide
• supply oxygen to body cells
• remove urea and excess water
• play a role in gas exchange

Open Ended

What other organ systems work with the excretory system to eliminate waste from our bodies?