Chapter 1 Flashcards
(112 cards)
anatomy
the study of structure and form
macroscopic/gross anatomy
large body structures visible to the eye. exs. systemic, regional, surface, comparative, embryology
microscopic anatomy
study of structures that requires magnification to be seen. exs. cytology, histology
physiology
the study of function
-how organisms perform vital functions and how function is altered.
-focuses mainly on molecular and cellular levels
characteristics of living organisms
1. growth and development
increase in size and specialization
characteristics of living organisms
2.metabolism
sum of chemical reactions
characteristics of living organisms
3. responsiveness
sense and react to stimuli
characteristics of living organisms
4. regulation
adjust internal function as the environment changes
characteristics of living organisms
5. reproduction
produce new cells for growth, maintenance, repair, production of offspring
characteristics of living organisms
6. organization
have complex structure and order
characteristics of living organisms
1
2
3
4
5
6
- growth and development
- metabolism
- responsiveness
- regulation
- reproduction
- organization
levels of organization
1.
2.
3.
4.
5.
6.
- chemical level
- cellular level
- tissue level
- organ level
- organ system level
- organismal level
levels of organization
1.
chemical level
atoms
smallest unit of matter exhibiting characteristics of an element
molecules
combinations of atoms ex glucose
organelles
specialized microscopic subunits in cells. ex. ribosomes make proteins
levels of organization
2.
cellular level
-smallest unit of life
- structural building blocks
-produced from pre-existing cells
levels of organization
3.
tissue level
-groups of similar cells perform a common function
tissue level subtypes (4)
- epithelial
- connective
- muscular
- nervous
tissue level subtypes (4)
1. epithelial
cover and line surfaces
tissue level subtypes (4)
2. connective
bind, protect, support
tissue level subtypes (4)
3.muscular
produce movement
tissue level subtypes (4)
4. nervous
communication
levels of organization
4.
organ level
-two or more tissues working together to perform a specific, complex function