zo

Question 1

group of cells with similar structure and
function plus extracellular substance (matrix)

Answer 1

tissue

Question 2

study of tissues

Answer 2

Histology:

Question 3

Types of Tissues
1.
2.
3.
4.

Answer 3

Types of Tissues
1. Epithelial
2. Connective
3. Muscular
4. Nervous

Question 4

____Tissue

cover body (internal and external)
-
Ex. Skin, kidney, trachea, glands, etc.

Answer 4

Epithelial

Question 5

___ Tissue

Characteristics:

• cells close together (very little extracellular
  matrix)
• form most glands
• have free surface

Basal surface:
attaches epithelial cells to underlying tissues

Answer 5

Epithelial

Question 6

Functions of Epithelial Tissues
1.Protect:Ex. Skin

2.Act as a barrier: Ex. Skin keeps bacteria out

3.Diffusion and Filtration: Ex. Lungs and kidneys

4.Secretion: Ex. Sweat glands

5.Absorption:vEx. Small intestine

Answer 6

Functions of Epithelial Tissues
1.Protect:Ex. Skin

2.Act as a barrier: Ex. Skin keeps bacteria out

3.Diffusion and Filtration: Ex. Lungs and kidneys

4.Secretion: Ex. Sweat glands

5.Absorption: Ex. Small intestine

Question 7

Types of Epithelial Tissues
_____
Structure:
1 layer of flat, tile like cells
Function:
diffusion and filtration
Location:
blood vessels, lungs, heart, kidneys

Answer 7

Simple Squamous

Question 8

Types of Epithelial Tissues

______
Structure:

1 layer of square shaped cells
Function: secretion

Location: glands, ovaries, kidneys

Answer 8

Simple Cuboidal

Question 9

Types of Epithelial Tissues

_____
Structure:

1 layer of tall, narrow cells
Function: secrete mucus and absorption
Location: stomach, intestines, resp. tract

Answer 9

Simple Columnar

Question 10

Types of Epithelial Tissues

Structure:
1 layer of tall, narrow cells appears stratified but isn’t

Function:
secrete mucus and propel debris out of
resp. tract (cilia)

Location: nasal cavity and trachea

Answer 10

Pseudostratified Columnar

Question 11

Types of Epithelial Tissues

_____

Structure: many layers of flat, tile like cells

Function: protect and acts as a barrier

Location: skin, mouth, throat, esophagus

Answer 11

Stratified Squamous

Question 12

Types of Epithelial Tissues

____
Structure : special type of stratified epi. changesvshape (stretched squamous, not stretched cuboidal)

Function: hold fluids

Location: urinary bladder

Answer 12

Transitional

Question 13

Surface not in contact with other cells

Smooth to reduce friction, Ex. Blood vessels

____
- increase cell’s surface area

Ex. Small intestine

Answer 13

Free Cell Surfaces

Microvilli:

Question 14

move materials across cell’s surface
Ex. Trachea

Answer 14

Cilia:

Question 15

produce mucus
Ex. Stomach

Answer 15

Goblet cells

Question 16

Cell Connections
____
bind adjacent cells together
Ex. Intestines

Answer 16

Tight junctions:

Question 17

Cell Connections
_____
mechanical links that bind cells

Answer 17

Desmosomes:

Question 18

Cell Connections
____
bind cells to basement membrane

Answer 18

Hemidesmosomes:

Question 19

Cell Connections

small channels that allow molecules to pass
between cells

allow cells to communicate

most common

Answer 19

Gap junctions:

Question 20

structures that secrete substances onto a surface, into a cavity, or into blood

Answer 20

Glands

Question 21

______
glands with ducts
Ex. Sweat or oil glands

Answer 21

Exocrine glands:

Question 22

_____
no ducts (directly into bloodstream)
Ex. Thyroid, thymus, pituitary glands, etc.

Answer 22

Endocrine glands

Question 23

Types of Exocrine Glands
____
no branches

_____
many branches

____
end of duct

____
sac
like structure

Answer 23

Simple:

Compound

Tubular:

Alveolus:

Question 24

Types of Protein Fibers

look like ropes and are flexible but resist
stretching

Answer 24

Collagen fibers

Question 24

Characteristics of what type of tissue? Cells far apart Contain large amounts of extracellular matrix Classified based on type of extracellular matrix and function Ex. Blast cells build, clast cells carve Extracellular matrix contains 3 components (in varying amounts): protein fibers, ground substance, fluid Ground substance: proteins and sugars

Answer 24

Connective Tissues

Question 25

Types of Protein Fibers supporting network that fills spaces between organs and tissues

Answer 25

Reticular fibers:

Question 26

Types of Protein Fibers recoil after being stretched

Answer 26

Elastic fibers:

Question 26

Functions of Connective Tissue 1.Enclose and separate: Ex. around organs and muscles 2. Connect tissues: Ex. Tendons: connect bone to muscle Ex. Ligaments:connect bone to bone 3.Support and Movement: Ex. bones Storage: Ex. bones store calcium and adipose tissue stores fat 5. Cushion and insulate: Ex. adipose tissue protects organs and helps conserve heat 6.Transport: Ex. Blood 7.Protect: Ex. Immune cells

Answer 26

Functions of Connective Tissue 1.Enclose and separate: Ex. around organs and muscles 2. Connect tissues: Ex. Tendons: connect bone to muscle Ex. Ligaments:connect bone to bone 3.Support and Movement: Ex. bones Storage: Ex. bones store calcium and adipose tissue stores fat 5. Cushion and insulate: Ex. adipose tissue protects organs and helps conserve heat 6.Transport: Ex. Blood 7.Protect: Ex. Immune cells

Question 27

Types of Ordinary Connective Tissue ___ Location:between organs, muscles, glands, skin Structure:collagen fibers far apart Function:support and protect

Answer 27

Loose

Question 28

Types of Ordinary Connective Tissue _____ Location: tendons, ligaments, skin Structure: collagen fibers packed close together Function: connect and can withstand pulling forces

Answer 28

Dense

Question 29

Types of Ordinary Connective Tissue _____ Location:under skin and around organs Structure: collagen and elastic fibers, cells filled with lipids Function: storage, insulate, cushion

Answer 29

Adipose

Question 30

It is a type of connective tissue - Composed of chondrocytes - Contains collagen - Withstands compressions - Provides support, flexibility, strength

Answer 30

Cartilage *

Question 31

Types of Cartilage ____ Location: between vertebra Structure: lots of collagen fibers Function: can withstand compression

Answer 31

Fibrocartilage

Question 31

Types of Cartilage _____ Location: covers ends of bones Structure: some collagen fibers Function: reduces friction (cushion)

Answer 31

Hyaline cartilage

Question 32

Types of Cartilage _____ Location: ear and tip of nose Structure: elastic fibers Function: can recoil

Answer 32

Elastic cartilage

Question 33

-It is a hard connective tissue -2 types: compact and spongy -Composed of osteocytes

Answer 33

Bone

Question 34

-Liquid connective tissue -Erythrocytes, leukocytes, platelets -Transport food, oxygen, waste, hormones

Answer 34

Blood

Question 35

What type of tissue? - Consist of neurons or nerve cells - Found in brain, spinal cord, and peripheral nerves - Controls and coordinates body movements - Includes axons, dendrites, cell bodies

Answer 35

Nervous Tissue

Question 36

-Occurs when tissues are damaged - Signals the body’s defenses (white blood cells) to destroy foreign materials and damaged cells so repair can occur. Chemical mediators: -released after injury - cause dilation of blood vessels

Answer 36

Inflammation