Function #1
Function #2
Organ
Working Together
Levels of Organization
100

Allows parts of the body to move

Muscular System

100

Immune System

Protects and fights against infection and disease

100

Nervous System

Brain, Spinal Cord, Nerves

100

Fight or Flight

Nervous, Endocrine

100

A frog is an example of which level of organization

organism

200

To move blood, oxygen, nutrients, carbon dioxide and hormones, around the body.

Circulatory

200

Reproductive System

Produce offspring

200
Trachea, Lungs, Diaphragm 

Respiratory System

200

Digestion

Digestive, Muscular

200

Least complex

cell

300

Takes in oxygen and gets rid of carbon dioxide

Respiratory System

300

Nervous System

send signals back and forth from body to brain

300

Skin, Hair, Nails

Integumentary System

300

Waste Removal (liquid)

Urinary, Circulatory

300

Digestive System is an example of which level of organization

Organ System

400

break down absorb food, and get rid of waste

Digestive System

400

Integumentary System

Protective outer covering

400

Circulatory 

Heart, Veins, Blood, Arteries

400

Running

Muscular, Skeletal, Respiratory

400

Order from least complex to most complex

cell, tissue, organ, organ system, organism

500

Provide structure and Support

Skeletal System

500

Urinary System

removes liquid waste from the body

500

Skeletal System

bones

500

Movement

Skeletal and Muscular

500

Most complex

Organism