1. Excretory system

2. Excretory System Function:
Collects wastes produced by cells and removes the wastes from the body.
Excretory System

3. Kidneys
Eliminate urea, excess water, & some other waste materials
Filter wastes from the blood
Produce urine
Organs
BrainPop Video – Urinary System

4. Other Excretory Organs
Rectum & Anus (Digestive System)
Stores & then removes solid wastes from digestive system
Lungs (Respiratory System)
Remove carbon dioxide produced during cellular respiration
Skin (Integumentary System)
Removes perspiration (dissolved waste materials)
Other Excretory Organs

5. Summary: Respiration & the Human Body Systems The formula and illustrations must be aligned exactly as shown below.
Oxygen +
Food
Energy +
Wastes
ATP (Energy) +
Carbon dioxide + Water
Oxygen +
Glucose
All Body Cells
Respiratory
Digestive
Circulatory
Excretory