cells and tissues Flashcards

1
Q

the stuctural units of all living things

A

cells

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2
Q

the stuctural units of all living things

A

cells

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3
Q

how many cells does a human body have

A

50-100 trillion

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4
Q

cell composed of four element

A

carbo,hydrogen,oxygen,nitrogen

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5
Q

3 main regions of a cell

A

nucleus,cytoplasm,plasma membrane

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6
Q

act as an adhesive or cellularr glue

A

glycoproteins

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7
Q

site of most cellular activities

A

cytoplasm

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8
Q

fluid that suspends other element

A

cytosol

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9
Q

fluid that suspends other element

A

cytosol

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10
Q

metabolic machinery of the cell

A

organelles

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11
Q

metabolic machinery of the cell

A

organelles

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12
Q

chemical substances,such as stores nutrients or cell products

A

inclusion

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13
Q

provides the cell with an internal framework

A

cytoskeleton

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14
Q

provides the cell with an internal framework

A

cytoskeleton

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15
Q

largest

A

microfilaments

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16
Q

largest

A

microfilaments

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17
Q

mechanical support for the celll

A

intermediate filaments

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18
Q

mechanical support for the celll

A

intermediate filaments

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19
Q

smallest

A

microtubules

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20
Q

secretes cable like fibers

A

fibroblast

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21
Q

carries oxygen in the bloodstream

A

erythrocyte

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22
Q
  • cells that cover and line body organs
  • intermediate fibers resist tearing during rubbbing or pulling
A

epithelial cell

23
Q
  • cells that move organs and body parts
A

skeletal muscle and smooth muscle cells

24
Q

cells that stores nutrient

A

fat cells

25
Q

cells that fights diseases

A

macrophage

26
Q

cells that fights diseases

A

macrophage

27
Q

-cell that gathers information and controls body functions
- receives and transmit messages to other body structure

A

nerve cell

28
Q

-cell that gathers information and controls body functions
- receives and transmit messages to other body structure

A

nerve cell

29
Q
  • largest cell in the body
  • divides to become an embryo upon fertilization
A

oocyte

30
Q
  • largest cell in the body
  • divides to become an embryo upon fertilization
A

oocyte

31
Q
  • built for swimming to the egg for fertilization
A

sperm cell

32
Q

acts as a motile whip

A

flagellum

33
Q

acts as a motile whip

A

flagellum

34
Q

solution conaining gases,nutrients, and salts dissolved in water

A

intracellular fluid

35
Q

solution conaining gases,nutrients, and salts dissolved in water

A

intracellular fluid

36
Q
  • fluid on the exterior of the celll
  • contains hormones,neutrotransmitters,salts, waste products
A

interstitial fluid

37
Q

no energy (ATP) is required

A

passisive processes

38
Q

cell must provide metabolic energy (ATP)

A

Active processes

39
Q

particles tend to distribute themselves evenly within a solution

A

diffusion

40
Q
  • an unaassited are lipid- soluble
  • solutes are lipid soluble or small enough to pass through membrane pores
A

simple diffusion

41
Q

higly polar water molecules easily cross the plasma membrane through aquaporins

A

osmosis

42
Q

water and solutes are forced through a membrane by fluid or hydrostatic pressure

A

filltration

43
Q
  • Amino acids, some sugars, and ions are transported by protein carriers as solute pumps
A

ACTIVE TRANSPORT

44
Q

substances are moved without actually crossing the plasma membrane

A

vesicular transport

45
Q

substances are moved without actually crossing the plasma membrane

A

vesicular transport

46
Q

moves material out of the cell

A

exocytosis

47
Q

moves material out of the cell

A

exocytosis

48
Q

extracellular substances are engulfed by being enclosed in a membranous vesicle

A

endocytosis

49
Q

extracellular substances are engulfed by being enclosed in a membranous vesicle

A

endocytosis

50
Q
  • cell eating
  • cell engulfs large particle such as bacteria or dead body cells
A

phagocytosis

51
Q
  • cell drinking
  • cell gulps droplets of extracellular fluid containing dissolved proteins or fats
A

pinocytosis

52
Q
  • cell drinking
  • cell gulps droplets of extracellular fluid containing dissolved proteins or fats
A

pinocytosis

53
Q
  • method for taking up specific target molecules
A

receptor mediated endocytosis