Tissues

Question 1

What is the organisational hierarchy?

Answer 1

• atoms
• molecules
• cells
• tissues
• organs
• organ systems
• organisms

Question 2

What do organs do?

Answer 2

Work together to coordinate activities and achieve a common function

Question 3

What is an organ

Answer 3

Two or more tissues, that together perform a specialised function

Question 4

What is an example of main tissue?

Answer 4

Cardiac muscle

Question 5

Give 2 examples of sporadic tissue

Answer 5

Blood vessels
Nerves

Question 6

What do multicellular organisms require to function?

Answer 6

Sophisticated organ systems

Question 7

How to organs help maintain homeostasis?

Answer 7

Through integration of systems

Question 8

How many organ systems are there?

Answer 8

11

Question 9

What are tissues?

Answer 9

A group of cells specialised for a particular function

Question 10

What are cells often separated by?

Answer 10

Matrix - non living, intracellular material produced by cells

Question 11

What is the name given to the study of tissues?

Answer 11

Histology

Question 12

What are the 4 main types of tissues?

Answer 12

1. Connective tissue
2. Epithelial tissue
3. Muscle tissue
4. Nervous tissue

Question 13

What are the functions of connective tissue (5)?

Answer 13

Protection
Support and binding
Energy storage
Transport
Immunity

Question 14

What are the functions of epithelial tissue (5)?

Answer 14

Protection
Lining
Filtration
Absorption
Secretion

Question 15

What are the functions of muscle tissues (3)?

Answer 15

Locomotion (movement)
Moving food
Beating heart

Question 16

What are the functions of nervous tissue (3)?

Answer 16

Transmission of impulses for communication
Coordination
Control

Question 17

What are the 2 components of connective tissue?

Answer 17

Cells & Extracellular matrix

Question 18

What are the different types of connective tissue dependant on?

Answer 18

The abundance and type of both the:

• extracellular matrix
• cells

Question 19

What are connective tissue involved in?

Answer 19

• packaging and dividing
• providing support
• energy storage
• space filling

Question 20

What are deep tissues?

Answer 20

Tissues that are never exposed to environment outside the body

Question 21

What do cartilage tissue do?

Answer 21

Support and bind other tissues

Question 22

What do fat tissues do?

Answer 22

Store nutritional substances

Question 23

What does the extracellular matric of connective tissue do?

Answer 23

Produce protective and regulatory substances

Question 24

Which type of tissue is most diverse?

Answer 24

Connective tissue

Eg. Bone, blood fay etc

Question 25

What are the 3 basic component of connective tissue?

Answer 25

1. Specialised cells 2. Protein fibres 3. Ground substances

Question 26

Give two examples of specialised cells in the connective tissue

Answer 26

1. Fibroblasts 2. Osteocytes

Question 27

What is an example of protein fibres within connective tissue?

Answer 27

Collagen

Question 28

What is ground substance of connective tissue? Function?

Answer 28

A clear colourless fluid It fills all spaces between cells

Question 29

What are the 3 types of connective tissue?

Answer 29

1. Connective tissue proper 2. Fluid connective tissues 3. Supporting connective tissue

Question 30

What are the 2 types of 'connective tissue proper'?

Answer 30

Loose - fibres create loose, open framework Dense - fibres densely packed

Question 31

What are the two types of 'fluid connective tissue'?

Answer 31

Blood - in circulatory system Lymph - in lymphatic system

Question 32

What are the two types of 'supporting connective tissues'?

Answer 32

Cartilage - solid, rubbery matrix Bone - solid, crystalline matrix

Question 33

What are the 5 support cells?

Answer 33

1. Fibroblasts 2. Microfibroblasts 3. Osteocytes 4. Chondrocytes 5. Adipocytes

Question 34

What

Question 35

What makes up the largest volume of connective tissue?

Answer 35

The ground substance

Question 36

Matrix =

Answer 36

Ground substance + fibres

Question 37

Give 3 examples of connective tissue fibres

Answer 37

1. Collagen 2. Reticular 3. Elastic