body organization Flashcards
organization hierarchy
cell –> tissue –> organ –> body system –> organism
cell
basic structural unit
tissue
combination of similar cells working to perform a function
organ
collection of tissues performing a function
body system
group of organs performing specific function
organism
life form made up of different parts (us)
epithelial tissue
makes up skin, lining of organs, and some glands
connective tissue (examples of some)
connects organs and other body tissues
- bones, nerves, fat, cartilage
muscle tissue
contract to cause movement
skeletal muscle
voluntary movement
cardiac muscle
found in the heart and causes its involuntary pumping
smooth muscle
lines walls of hollow organs and causes involuntary movement
nervous tissue
nervous system and neurons
11 major body systems
- integumentary
- skeletal
- reproductive
- lymphatic
- urinary
- respiratory
- cardiovascular
- digestive
- endocrine
- muscular
- nervous