Intro to Organ Systems and Feedback Loops

Which of the following is the correct order of organization in living things from most basic (simple) to most complex?

• organism, cell, tissue, organ, organ system

• organ system, organ, tissue, cell, organism

• cell, tissue, organ, organ system, organism

• cell, organ, tissue, organism, organ system

The ________ system is made of glands that secrete hormones into the blood to maintain homeostasis (balance)

• excretory

• endocrine

• digestive

• circulatory

The _______ system includes the skin, hair, and nails. It is the body's first line of defense, absorbs vitamin D, excretes sweat.

• respiratory

• nervous

• Integumentary

• skeletal

The ______ system's function is gas exchange. It brings oxygen in and exhales carbon dioxide with the lungs, trachea, and diaphragm

• endocrine

• excretory

• circulatory

• respiratory

The _____ system is a transport system, carrying oxygen, carbon dioxide, and wastes to and away from cells using the heart and blood.

• endocrine

• circulatory

• respiratory

• excretory

The _____ system's function is to break down food into molecules that the body (cells) can use for energy.

• muscular

• digestive

• respiratory

• endocrine

The ______ system helps you move, protects your organs, gives support to the body, and makes red blood cells.

• skeletal system

• muscular system

• digestive system

• respiratory system

Drag the images to match the labels

• Organ

• 
• Cell

• 
• Organism

• 
• Tissue

• 
• Organ System

• 

Drag the images to match the labels.

• Organism

• 
• Cell

• 
• Organ System

• 
• Tissue

• 
• Organ

• 

Match the organ system with its function(s).

• Provides support, protects organs, helps the body move

• Integumentary System

• Breaks down food, absorbs nutrients, and removes waste

• Digestive System

• Protects the body and helps control body temperature

• Respiratory System

• Takes in oxygen and removes carbon dioxide

• Skeletal System