Animal tissue

Question 1

what are the types of animal tissue?

Answer 1

1- muscular tissue
2- epithelial tissue
3- nervous tissue
4-connective tissue

Question 2

what are the types of epithelial tissue?

Answer 2

1- squamous epithelial
2- columnar epithelial
3- cuboidal epithelial
4- transitional epithelial

Question 3

what is the basic structure epithelial tissue?

Answer 3

1- contains cells which are geometric shaped
2- the cells have few intracellular spaces
3- the cells are connected to the basement membrane
4- the basement membrane is connected to connective tissues to allow attachment to other tissues

Question 4

what is the basic function of epithelial tissue?

Answer 4

1- protection

2- lining of internal and external surfaces of the body

Question 5

what does it mean by epithelial tissue being avascular?

Answer 5

not serviced by blood vessel

Question 6

what does it mean by epithelial tissue being innervated?

Answer 6

supplied with nerves

Question 7

what are the different types of cell layer in epithelial cells?

Answer 7

1- single layer

2- stratified[ more than 1 layer of cell]

Question 8

describe structure of squamous epithelial cell

Answer 8

1- contains large flattened nucleus

2-the cells are very thin and looked squashed like

Question 9

where are squamous epithelial cell found?

Answer 9

1-lining of the mouth
2-lining of the alveoli
3-surface of the skin

Question 10

give 2 examples of a squamous epithelial cell

Answer 10

endothelium and mesothelium

Question 11

describe the structure of columnar epithelial cell

Answer 11

1- the cells are elongated and columnar like

2- the nucleus is oval shaped

Question 12

where is ciliated columnar epithelial cell found?

Answer 12

1- fallopian tube

2- endometrium[ uterus lining]

Question 13

what is an example of simple columnar epithelial cell?

Answer 13

goblet cells which produce mucin

Question 14

what is the stratified columnar epithelial cell named?

Answer 14

pseudostratified epithelium meaning flakily stratified

Question 15

where is a simple columnar epithelial cell found?

Answer 15

found in the lining of the small intestine to absorb food

Question 16

what is pseudostratified epithelium?

Answer 16

compromised of single cell, however nuclei placed in a way where it looks stratified

Question 17

where are goblet cells found?

Answer 17

in the respiratory system

Question 18

describe the structure of cuboidal epithelial tissue

Answer 18

1- contains spherical nucleus

2-the cells are squared shaped

Question 19

what is the function of cuboidal epithelial cell?

Answer 19

1- absorption of substances

2- secretion of substances

Question 20

what type of substances are secreted by the cuboidal epithelial cell?

Answer 20

1- hormones
2- sweat
3- excess salt

Question 21

where are 3 places cuboidal epithelial tissue is found?

Answer 21

1- thyroid gland
2- sweat gland
3- lining of kidney tubule

Question 22

what is a transitional epithelial tissue?

Answer 22

tissue which can stretch and change shape to accommodate a cavity being filled with fluid

Question 23

where is transitional epithelial tissue found?

Answer 23

1- bladder

2- urethra

Question 24

what is the function of a nervous tissue?

Answer 24

conducts electrochemical signals between the organs of the body and the brain

Question 25

what are the types of nervous tissue?

Answer 25

1- neurons | 2- neuroglia

Question 26

what is a neuroglia?

Answer 26

a supporting cell which wraps around delicate part of neurons for protection

Question 27

what are the basic structures of a neuron?

Answer 27

``` 1- cell body 2- nissl body 3- dendrite 4- axon terminal 5- axon 6- myelin sheath ```

Question 28

what is the function of a myelin sheath?

Answer 28

increase speed at which impulse is transmitted at

Question 29

what are nissl bodies?

Answer 29

large granular of rough endoplasmic reticulum and ribosome and are for protein synthesis

Question 30

where is the cell body found in sensory, relay and motor neuron?

Answer 30

in motor- on the top, where dendrites branch from in sensory- in the middle to the side in relay- in the middle

Question 31

what is a sensory neuron responsible for?

Answer 31

passing electrical impulse from the the sense organ to the CNS

Question 32

what is a relay neuron responsible for?

Answer 32

passing electrical impulse from CNS to the CNS, connecting the sensory and motor neuron

Question 33

what is a motor neuron responsible for?

Answer 33

passing electrical impulse from the CNS to an effector

Question 34

what is an effector?

Answer 34

part of the body such as a muscle or gland

Question 35

what are the types of muscle?

Answer 35

1- skeletal muscle 2- cardiac muscle 3- smooth muscle

Question 36

what are 2 types of muscle protein?

Answer 36

1- actin filament | 2- myosin filament

Question 37

describe the structure of skeletal muscle

Answer 37

1- the cells are cylinder like 2- cells are multinucleated 3-the cells are striated

Question 38

what are striations?

Answer 38

thin strips that run down muscle fibers

Question 39

where are skeletal muscle attached to?

Answer 39

attached to bones directly or via tendons

Question 40

where are skeletal muscle found?

Answer 40

1-biceps 2- triceps 3- sphincter muscle

Question 41

describe the smooth muscle

Answer 41

1- not striated | 2- contain spindle fibers

Question 42

where is smooth muscle found?

Answer 42

1- digestive system | 2- blood vessel

Question 43

describe the cardiac muscle

Answer 43

1-it is a network of branched muscle fibers 2- it is faintly striated 3- have intercalated disc

Question 44

what is the function of intercalated disc?

Answer 44

join neighboring cardiac muscle fiber

Question 45

where is cardiac muscle found?

Answer 45

in the heart

Question 46

which muscles are involuntary and voluntary?

Answer 46

cardiac muscle- involuntary skeletal muscle-voluntary smooth muscle- involuntary

Question 47

what is a feature of epithelial tissue?

Answer 47

they are 1- avascular 2- innervated

Question 48

what is the definition of avascular and innervated for epithelial cells

Answer 48

avascular- not serviced by blood vessels | innervated- supplied with nerves

Question 49

where does electrical signals pass from?

Answer 49

from the dendrite to the axon terminal