Introduction to the Human Body Flashcards
1
Q
chemical level
A
elements and molecules form the smallest level of organisation. (hydrogen, carboon, oxygen, nitrogen, proteins, lipids, carbphydrates, nucleic acids)
2
Q
cellular level
A
smallest independently functioning unit of a living organism
3
Q
tissue level
A
group of similar cells that are specialised to perform common functions.
4 primary tissues: epithelial, connective, muscle, nervous
4
Q
organ level
A
- structures that contain 2+ primary tissues.
- each organ performs 1+ specific functions
5
Q
organism
A
represents the entire functioning individual
6
Q
describe the basic structure of the cell
A
consists of flexible membranes that enclose cytoplasm, a water-based cellular fluid together with a variety of tiny functioning units called organelles.
7
Q
organs in the integumentary system
A
skin, hair, nails
