cells making a body Flashcards

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1
Q

first structural level of body

A

cells

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2
Q

second structural level of body

A

cells with simular specialisations group together to form tissue (nerve cells from nervous tissue)

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3
Q

third structural level of body

A

different types of tissues work together as organs. made up of 2 or more tissues (stomach made with epithelial tissue, muscular tissue)

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4
Q

fourth structural level of body

A

system - group of organs that work together fro a common purpose

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5
Q

tissue
- 4 types

A

group of cells similar ins structure and work together to carry out specific function. 4 main types:
1. epithelial tissue
2. connective tissue
3. muscular tissue
4. nervous tissue

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6
Q

epithelial tissue

A

a covering or lining tissue
- outer layer of skin - heart, kidneys, intestine, liver lungs are lined with ET
- cells are closely joined together, vary in shape from thin and flat to column an cube shaped
- close together =- very smooth surface

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7
Q

connective tissue

A

provides support for the body and holds all parts together
- cells aren’t as close together, separated from each other by matrix
- includes bone, cartilage, tendons, ligaments, fat storage tissue

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8
Q

msucular tissue

A

long, thing and can contract to become shorter, there are 3 types of muscular tissue:
1. skeletal
2. smooth
3. cardiac

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9
Q

MT: skeletal muscle

A

make up muscles that are attached to bones
- voluntary control
- striated

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10
Q

MT: smooth muscle

A

found in walls of stomach, intestines, walls of BV,
- involuntary movement
- not striated

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11
Q

MT: cardiac muscle

A

makes up most of heart
- involuntary

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12
Q

nervous tissue

A

made up of neurons
- when a part of neuronal is stimulated , messages can be passed through these projections from one part of body to other

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