Cells and Systems Flashcards

(54 cards)

1
Q

Organ

A

Group of Tissues that work together to perform a specific Function. Ex: Heart

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2
Q

Organ System

A

A group of organs that do a certain task, such as digestion and breathing. Ex: Respiratory System

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3
Q

Compound Light Microscope

A

Microscope that has two or more lenses that has a light source.

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4
Q

Mycoplasma

A

Type of microscopic Organisms. EX:Bacteria

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5
Q

Multicellular

A

Made of more than 1 Cell

Ex:Animals

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6
Q

Unicellular

A

Made of just one cell. Ex:Acetabularia, amoeba

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7
Q

Diffusion

A

The movement of substance from an area of higher concentration to an area of lower concentration.

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8
Q

Osmosis

A

Diffusion of water through a selectively permeable membrane

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9
Q

Specialized Cells

A

Cells that have specific structures that help them perform particular function. Ex: Red Blood cell

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10
Q

Tissues

A

Group of similar cells working together to perform a specific function. Ex: Muscles tissue

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11
Q

Unicellular Organized

A

Organelles

Single Cell

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12
Q

Multicellular Organized

A

Specialized cells
Tissues
Organs
Organ systems

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13
Q

What are the three types of tissues of plants?

A

Photosynthetic
Protective
Transport

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14
Q

4 Types of Tissues found in animals/Humans?

A

Nervous
Connective
Epithelial
Muscle

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15
Q

3 Organs of plants

A

Roots
stems
leaves

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16
Q

What are the Six factors of an organism?

A
  • They must be made up of cells
  • Need Energy
  • Grow and Develop
  • Respond to the environment
  • Reproduce
  • Adaptations
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17
Q

What are the three types of adaptations?

A

Behavioural-Responses (chooses)
Structural- Physical Features
Phycological -
Responses (Not chooses) Ex:Heart rate

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18
Q

Cell Membrane

A
A thin covering that surrounds the cell. 
Protects the cell
Gives the cell its shape
Allows materials to enter and leave cell
Help keeps cell material together
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19
Q

Cytoplasm

A

The living material inside the cell membrane but outside of the nucleus. Helps give cell shape
Most life function take place within cytoplasm

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20
Q

Nucleus

A

Often found near the center of the cell. The Boss of the cell, very important during reproduction.

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21
Q

Nuclear membrane

A

A thin covering that surrounds the nucleus, controls the passage of what goes in and out of the nucleus, and helps keep its shape.

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22
Q

Mitochondria

A

Rod shaped. “Power houses” of the cell. Release and stored the energy the cell needs.

23
Q

Endoplasmic Reticulum

A

a network of channels. Like a series of roadways. They are used for loving materials within the cell.

24
Q

Ribosomes

A

Tiny grainlike structures. make and store protein m, mostly found on the endoplasmic reticulum , some however moves freely within the cytoplasm

25
Vacuole
Liquid filled spaces, sore food and wastes, some hold extra water, pump water out of cell.
26
What are two features found in plant cells but not in animal cells?
Cell wall and Chloroplast
27
Cell wall
Surrounds the cell membrane of a plant cell, the cell wall is made up of mom living material called cellulose. Is rigid and stiff than the cell membrane, gives it shape
28
Chloroplasts
Found in cytoplasm of a plant cell. Contain green substance called chlorophyll, needed for food making, most chlorophyll is found in the leaf cells of green plants
29
Is the Vacuole of a plant cell different than an animal cell?
Yes, Plant cell has one huge vacuole while an animal has many little vacuoles.
30
Epithelial Tissue
Covering tissue, made up of cells that are joined tightly together. Skin is made up of mostly epithelial . Epithelial tissue covers organs inside and outside of your body, helps keep germs out and protects you from injury
31
Nerve tissue
Made of nerve cells, sends and revived messages, responds to stimuli , responds to changes in and out of body
32
Connective Tissue
supports the body and holds t together, also helps protect the body. Bone, Cartilage, Tendons, and ligaments.
33
Muscles Tissue
Makes movements possible, made of cells that can become shorter, there are different kinds of muscle tissue, one kind is to attach bones, when these muscles shorten they pull on bones
34
Heart
Pimple blood throughout the body. Mostly muscles, also blood nerve and epithelial
35
Stomach
Digest food, muscles nerve blood, and other tissues
36
Skin
Cover and protects the body, helps get rid of salts , water, heat, and a small amount of urea, prevents loss of body fluids. Mostly epithelial also blood nerve and other tissues
37
Brain and spinal chord,
the brain is the organ of thinking, receive messages, mostly nerve also blood connective and other tissues
38
Ears eyes nose tongue and skin
Sense organs, tells what is happening around you, nerve muscles blood and other tissues
39
Microscope
Instrument that makes things appear larger than they really are
40
Eye piece
Located at the top of the microscope holds the lens closest to the eye
41
High power objective
Longer of the two lenses close the slide
42
Low power objective
Shorter of the two lenses close to the eyes
43
Body tube
Gives the distance needed between the eyepiece and objective
44
Coarse adjustment knob
Moves the tube up and down
45
Fine Adjustment Knob
Moves the tube up and down slightly
46
Base
Holds up the entire microscope
47
Arm
Supports the body tube
48
Nose piece
Holds the objective lenses
49
Mirror
Reflects light into the tube
50
Diaphragm
Circular disk that adjusts the amount of light entering the stage area
51
Stage
platform treat supports the slide, allows light to pass though
52
Stage clips
Holds the slide in place on the stage
53
Temporary slides
Cannot be stored, used once and then cleaned off, used for living organisms
54
Permanent Slide
Can be sited and studied over again, only for dead or non living specimens