The lowest (smallest level of organization
Cells
This organ pumps blood throughout the body
heart
System responsible for breaking down and absorbing nutrients
Digestive
These cells are made in the center of your bones
Blood cells
These blood cells fight off infection
White Blood Cells
The second smallest level of organization - when two or more types of cell work together.
Tissue
These organs are responsible for absorbing oxygen and expelling carbon dioxide
Lungs
The system responsible for moving blood throughout the body.
Circulatory System
Name one bone from your leg
Femur, Fibia, Tibia
These connect muscle to bone
Ligament
When multiple types of tissue work together
Organ
This organ is the only organ that can regenerate itself
Liver
System responsible for sending messages throughout the body
Nervous System
Name one bone from your arms
Humerus, Radial, Ulna.
These connect muscle to muscle
tendons
Multiple organs work together to form this
Organ System
This organ stores bile to assist with digestion
Gallbladder
System that allows the body to move
Muscular System
The skeletal system is comprised of how many bones? (in an average adult)
206
This system contains hair, skin, and nails
Integumentary
The largest unit or organization
Organism
This organ stores bacteria but other than that, it doesn't do anything.
Appendix
This system gives support and structure for the body
Skeletal System
Individual bones on the spine that protect the spinal cord are called...
Vertebrae
How many nerves does the human body have? (withing 5 billion)
86 billion (on average)