Functions are the purposes of the physical characteristics. EXAMPLE: breathing, protection, filtering out waste

Function

Structures are the physical characteristic that a plant or animal has. EXAMPLE: lungs, skin, tree bark, kidneys, etc.

Structure

Structure vs. Function

Organs

Organs are STRUCTURES inside of organisms that have a specific job. This job is the organ's FUNCTION.

• Breathe with their...

• Digest food with their...

• Walk with...

• Fight with their...

Deer

• Breathe with their...

• Digest food with their...

• Walk with...

• Use tools with...

Humans

Let's Walk Through the Body Systems

Eating Cereal - What organs and organ systems are involved?

Our muscular system includes all of our muscles. They are constantly working together to help us move.

Muscular System

Our skeleton holds up our body and protects our organs.

Skeletal System

Sensory organs allow us to SENSE the world around us.

Which senses and sensory organs are involved in eating cereal?

Sensory Organs

The digestive system processes our food. Our stomach, liver, pancreas, and intestines work together to digest our food.

Digestive System

The excretory system works to eliminate waste. This includes the liver, kidneys, bladder, and skin.
What waste does your skin excrete?

Excretory System