Levels of Organization
Integumentary System
Muscular System
Skeletal System
Respiratory System
100

The simplest level of organization; the basic building block of life.

What is a cell?

100

Examples: hair, skin, and nails.

What are the main organs of the integumentary system?

100

Movement, breathing, and your heart pumping blood.

What are functions of the muscular system?

100

Examples: Femur, humerus, scapula, skull, pelvis, and ribs. 

What are the main bones of the skeletal system?

100

Examples: pharnyx, larynx, nose, trachea, bronchi, and lungs. 

What are the main organs of the respiratory system?

200

Examples: kidneys, stomach, brain, small intestines, and liver.

What are examples of organs?

200

Epidermis, dermis, and hypodermis (fatty layer).

What are the layers of the skin?

200

This type of muscle is classified as involuntary and is only found in the heart.

What is cardiac muscle?

200

A place where two bones meet.

What is a joint?

200

To inhale oxygen and exhale carbon dioxide.

What is the function of the respiratory system?

300

Examples: Digestive, Cardiovascular, Skeletal, Nervous, and Reproductive.

What are examples of organ systems?

300

This vitamin is made by our skin when we are exposed to sun. This vitamin helps with calcium and phosphorus absorption.

What is vitamin D?

300

This type of muscle is classified as voluntary and is attached to bone.

What is skeletal muscle?

300

This important substance is found in the middle of bones. It is responsible for red blood cell production.

What is bone marrow?

300

This is where the exchange of oxygen and carbon dioxide occurs.

What are the alveoli (alveolar sacs)?

400

Examples: Nervous, epithelial, and muscle.

What are examples of tissues?

400

This pigment gives our skin its color.

What is melanin?

400

This type of muscle is classified as involuntary and is found in organs like the stomach and small intestines.

What is smooth muscle?

400

This connects bones and muscles together.

What is a tendon?

400

The respiratory system works closely with this body system to ensure that every cell in the body receives oxygen.

What is the circulatory system?

500

5 levels of organization going from the simplest to the most complex.

What is cell -> tissue -> organ -> organ system -> organism?

500

Protection, sensory response, production of vitamin D, elimination of waste products, and ____________ are all functions of the skin.

What is temperature regulation?

500

Muscles can only relax and contract which is why...

What is muscles move in pairs?

500

These joints, like your knees and elbows, allow for a full range of motion.

What are freely movable joints?

500

This is the pathway of air.

What is nose/mouth -> pharynx -> larynx -> trachea -> bronchi ->bronchioles -> aveoli?