Ch 1. 2 Flashcards
levels of structural organization
1
Q
chemical level
A
atoms and molecules
2
Q
cellular level
A
cells and their organelles
3
Q
tissue level
A
groups of similar cells working together for a similar function. 4 major types in the body
4
Q
organ level
A
contains 2 or more types of tissues that work together. eg, liver, brain, blood vessel, stomach
5
Q
organ system level
A
organs that work together for a common purpose.
eg, heart and blood vessels together=cardiovascular system
6
Q
organismal level
A
all organ systems that keep the organism alive
