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Biology (S2) > Tissues > Flashcards

Tissues Flashcards

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1
Q

What is the organisational hierarchy?

A
  • atoms
  • molecules
  • cells
  • tissues
  • organs
  • organ systems
  • organisms
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2
Q

What do organs do?

A

Work together to coordinate activities and achieve a common function

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3
Q

What is an organ

A

Two or more tissues, that together perform a specialised function

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4
Q

What is an example of main tissue?

A

Cardiac muscle

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5
Q

Give 2 examples of sporadic tissue

A

Blood vessels
Nerves

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6
Q

What do multicellular organisms require to function?

A

Sophisticated organ systems

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7
Q

How to organs help maintain homeostasis?

A

Through integration of systems

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8
Q

How many organ systems are there?

A

11

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9
Q

What are tissues?

A

A group of cells specialised for a particular function

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10
Q

What are cells often separated by?

A

Matrix - non living, intracellular material produced by cells

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11
Q

What is the name given to the study of tissues?

A

Histology

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12
Q

What are the 4 main types of tissues?

A
  1. Connective tissue
  2. Epithelial tissue
  3. Muscle tissue
  4. Nervous tissue
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13
Q

What are the functions of connective tissue (5)?

A

Protection
Support and binding
Energy storage
Transport
Immunity

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14
Q

What are the functions of epithelial tissue (5)?

A

Protection
Lining
Filtration
Absorption
Secretion

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15
Q

What are the functions of muscle tissues (3)?

A

Locomotion (movement)
Moving food
Beating heart

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16
Q

What are the functions of nervous tissue (3)?

A

Transmission of impulses for communication
Coordination
Control

17
Q

What are the 2 components of connective tissue?

A

Cells & Extracellular matrix

18
Q

What are the different types of connective tissue dependant on?

A

The abundance and type of both the:

  • extracellular matrix
  • cells
19
Q

What are connective tissue involved in?

A
  • packaging and dividing
  • providing support
  • energy storage
  • space filling
20
Q

What are deep tissues?

A

Tissues that are never exposed to environment outside the body

21
Q

What do cartilage tissue do?

A

Support and bind other tissues

22
Q

What do fat tissues do?

A

Store nutritional substances

23
Q

What does the extracellular matric of connective tissue do?

A

Produce protective and regulatory substances

24
Q

Which type of tissue is most diverse?

A

Connective tissue

Eg. Bone, blood fay etc

25
Q

What are the 3 basic component of connective tissue?

A
  1. Specialised cells
  2. Protein fibres
  3. Ground substances
26
Q

Give two examples of specialised cells in the connective tissue

A
  1. Fibroblasts
  2. Osteocytes
27
Q

What is an example of protein fibres within connective tissue?

A

Collagen

28
Q

What is ground substance of connective tissue? Function?

A

A clear colourless fluid

It fills all spaces between cells

29
Q

What are the 3 types of connective tissue?

A
  1. Connective tissue proper
  2. Fluid connective tissues
  3. Supporting connective tissue
30
Q

What are the 2 types of ‘connective tissue proper’?

A

Loose - fibres create loose, open framework

Dense - fibres densely packed

31
Q

What are the two types of ‘fluid connective tissue’?

A

Blood - in circulatory system

Lymph - in lymphatic system

32
Q

What are the two types of ‘supporting connective tissues’?

A

Cartilage - solid, rubbery matrix

Bone - solid, crystalline matrix

33
Q

What are the 5 support cells?

A
  1. Fibroblasts
  2. Microfibroblasts
  3. Osteocytes
  4. Chondrocytes
  5. Adipocytes
34
Q

What

A
35
Q

What makes up the largest volume of connective tissue?

A

The ground substance

36
Q

Matrix =

A

Ground substance + fibres

37
Q

Give 3 examples of connective tissue fibres

A
  1. Collagen
  2. Reticular
  3. Elastic

Biology (S2) (7 decks)

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