quiz 1 qt2 test 1 Flashcards Preview

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Flashcards in quiz 1 qt2 test 1 Deck (18):
1

what is cytology?

the study of cells

2

what does cyto mean

cell

3

what does histology mean?

the study of tissues

4

what are the levels of organization?

cell
tissue
organ
system

5

what is a cell?

the basic unit of life

6

what is interstitial fluid

made of h2o and salt
cells are bathed in this, keeps them moist and cleans them out

7

what are unicellular organisms?

consists of one cell (basic) ex: bacteria

8

what are multicellular organisms?

consists of more than 1 cell (complex) ex: plant

9

what is a prokaryotic cell?

(primitive) nuclear material is spread out, no nuclear membrane ex:blue green algae
1st cells

10

what are eukaryotic cells?

advanced, nuclear material is confined, with a nuclear membrane
ex: all cells except blue green algae and bacteria

11

what is nutrition?

the cells need for taking in food (every cell needs this)

12

what is digestion?

break down of food, all cells do it

13

reproduction?

to make a copy

14

cellular respiration?

food being changed into energy (metabolism

15

excretion?

getting rid of wastes

16

secretion?

to release a product ex: oils, insulin, hormones

17

synthesis?

to make a product

18

irritability?

response to a stimulus, outside force