Cellular levels Flashcards
what is the word parts for cells?
cyt/o
how many different types of cells does the human body have?
200 different types
what are the two most important parts of the cell?
- cell membrane
2. nucleus
what does the cell membrane do?
surrounds and protects the cell. also regulates what passes into and out of the cell.
what is the nucleus referred too?
the brains of the cell
what does the nucleus do?
it controls the operations of the cell, directs cell division, and determines the structure and fuction of the cell.
what is an example of the epithelial cell?
surface of the skin
muscle contractions can be?
voluntary or involuntary
example of voluntary?
moving arms or legs
example of involuntary?
heartbeating
what does connective tissue do?
joins tissues together
examples of connective tissue?
cartilige and adipose
define adipose
fat for fat cell