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Chemical reactions contribute to ___

which structural organization is many different types of cells found in the human body (sperm cells, nerve cells)

structural organization that contains examples such as: brain, heart, stomach, skin, bones, etc.

these elements make up 96% of the body's mass

human body is made up of chemical elements called ____

related organs working for a common function. examples are: digestive ____, nervous _____, and cardiovascular ______

Cellular interactions contribute to _____

5 Levels of hierarchal structural organization

Epithelial, connective, muscular, and nervous are all types of what structural organization?

most basic level of structural organization

Chemical

Organ

System

Tissue Function

Tissue

cellular

cell function

oxygen, carbon, hydrogen, and Nitrogen

atoms

Chemical>Cellular>Tissue>Organ>System>Organism (body)