Levels of Org
Circulatory System
Skeletal System
Muscular System
Respiratory System
100

The Second level of organization in the human body

Tissue

100

The organ at the center of the circulatory system

The Heart

100

The Small Bones Surrounding The Chest 

Ribs

100

The Connective Tissue that attaches Bones to Muscles

Tendon

100

The main organ in the respiratory

The Lungs

200

The first level of organization in the human body

Cells

200

Blood vessels that lead To the heart

Veins

200

The Point Where Two Bones meet

Joint

200

What Connective Tissue attaches Bones to Bones

Ligament

200

The Organ Under The Lungs to help them aid

Diaphragm

300

The Fifth level of organization in the human body

Organism

300

Blood Vessels that lead Away From the heart

Arteries

300

The Bones Produce

Red and White Blood cells

300

A type of muscle that never gets tired or never needs rest

Cardiac

300

The voice box in your lungs

Pharynx

400

The fourth level of organization in the Human body

Organ system

400

Where gas exchange happens in the CIRCALATORY System

Capillaries

400

The Bone That is in line with the Thumb 

Radius

400

A Muscle that controls many low effort activity's Inside the body 

Smooth

400

Where gas exchange takes place in the Respiratory System

Alveoli

500

The Third level of organization in the Human Body.

Organ

500

The purpose of the white and red blood cells

Red transports O2 and CO2 and White fight infections :)

500

SPAMS Represents

support, protection, attachment for muscles, makes blood cells, and stores minerals.

500

Muscles that Can move on their own 

Involuntary

500

The Two small tubes that lead to the lungs

Bronchi

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