compendium 1 - what is life? Flashcards
1
Q
define anatomy
A
- scientific discipline that investigates the structure of body parts and how they relate to each other
2
Q
what are the levels of anatomy?
A
- gross (macroscopic)
- surface
- microscopic
- developmental
3
Q
define gross anatomy and its two subdivisons
A
- structures examined without aid of microscope
systemic: body is studied system by system
regional: body is studied by area by area
4
Q
define physiology
A
- the function of living things
5
Q
what are the 6 levels of physiology?
A
- molecular
- cellular
- systemic
- neurophysiology
- renal
- cardiovascular
6
Q
what are the six levels of organisation of the human body?
A
- chemical level: atoms combine to form molecules.
- cellular level: molecules combine to form organelles
- tissue level: numerous cells join together to form a tissue
- organ level: tissues (can be more than one type) form organs
- organ system level: one or more organs make up a system
7
Q
list and describe the characteristics of organisms
A
- organisation: relationships among the parts of an organism and how those parts interact to perform specific functions
- metabolism: chemical reactions taking place in an organism
- responsiveness: organisms ability to sense changes in its environment and to adjust accordingly
- growth: increase in size or number of cells
- development: changes an organism undergoes through time
- reproduction: formation of new cells or an organism
8
Q
what is homeostasis?
A
- the existence and maintenance of a relatively constant environment within the body
9
Q
what is the anatomical position?
A
- an erect person whose:
face is directed forward
arms are hanging by their side
palms of hands facing forward
10
Q
describe supine position
A
- person laying face up
11
Q
describe prone position
A
- person laying face down
12
Q
define superior
A
- toward the head
13
Q
define inferior
A
- toward the tail
14
Q
define anterior
A
- toward the front
15
Q
define posterior
A
- toward the back