Animal Tissue

Question 1

What type of tissue is areolar?

Answer 1

Epithelial Tissue

Areolar tissue serves as a covering or protective tissue in the animal body.

Question 2

Name the four types of animal tissues.

Answer 2

• Epithelial
• Connective
• Nervous
• Muscular

Each type of tissue has distinct functions and structures.

Question 3

What are the characteristics of simple squamous epithelial tissue?

Answer 3

• Tightly packed with no intercellular spaces
• Cells form a continuous sheet
• Extremely thin
• Single layer of cells

Simple squamous epithelial tissue forms delicate linings, such as in the skin.

Question 4

What is the function of epithelial tissue?

Answer 4

• Covering or protective tissue in the animal body
• Provides protection from injury and damage
• Prevents wear and tear

Epithelial tissues are essential for protecting underlying structures and organs.

Question 5

What are the types of epithelial cells based on shape?

Answer 5

• Squamous
• Cuboidal
• Columnar

The shape of epithelial cells influences their function and location in the body.

Question 6

What is the basement membrane?

Answer 6

A layer that separates all epithelial tissues from underlying tissues

The basement membrane provides support and anchorage for epithelial cells.

Question 7

What is the structure of stratified squamous epithelial tissue?

Answer 7

Cells are arranged in layers

This structure allows for increased protection in areas subject to abrasion.

Question 8

True or False: All epithelial tissues have intercellular spaces.

Answer 8

False

Epithelial tissues are tightly packed with no intercellular spaces.

Question 9

Fill in the blank: Stratified squamous epithelial tissue is found in the _______.

Answer 9

[Mouth, oesophagus]

These areas require protection due to exposure to friction and abrasion.

Question 10

What are the three types of muscular tissue?

Answer 10

• Striated
• Smooth
• Cardiac

Each type of muscular tissue has unique characteristics and functions within the body.

Question 11

What is the primary role of adipose tissue?

Answer 11

Energy storage and insulation

Adipose tissue is a type of connective tissue that stores energy in the form of fat.

Question 12

What is the structure of Cuboidal Epithelial Tissue?

Answer 12

Gube like; height and width of cells are equal

Cuboidal epithelial tissue is characterized by its cube-like shape.

Question 13

Where can Cuboidal Epithelial Tissue be found?

Answer 13

• Sweat glands
• Salivary glands
• Thyroid glands
• Lining of kidney tubules

These locations highlight the role of cuboidal epithelium in secretion and absorption.

Question 14

What is the structure of Columnar Epithelial Tissue?

Answer 14

Pillar like cells; Tall > Wide

Columnar epithelial cells are taller than they are wide, resembling pillars.

Question 15

Where can Columnar Epithelial Tissue be found?

Answer 15

• Lining of intestine
• Lining of stomach
• Lining of gallbladder

Columnar epithelium is important for absorption and secretion in these organs.

Question 16

What is the structure of Ciliated Epithelial Tissue?

Answer 16

Cuboidal/Columnar cells with hair-like projections called ‘cilia’

Cilia facilitate movement across the epithelial surface.

Question 17

Where can Ciliated Epithelial Tissue be found?

Answer 17

• Respiratory tract
• Urinary tubules or kidney

The presence of cilia in these areas aids in moving substances like mucus and urine.

Question 18

What is the function of Ciliated Epithelial Tissue?

Answer 18

Movement of mucus, urine, egg etc., through rhythmic beating of cilia

This rhythmic motion is essential for clearing mucus from the respiratory tract and moving egg through the fallopian tubes.

Question 19

What components are present in Cuboidal Epithelium?

Answer 19

• Nucleus
• Cytoplasm
• Basement membrane
• Connective tissue

These components are crucial for the structure and function of cuboidal epithelium.

Question 20

What components are present in Columnar Epithelium?

Answer 20

• Nucleus
• Cilia
• Goblet Cell
• Basement Membrane

Goblet cells within columnar epithelium secrete mucus, aiding in protection and lubrication.

Question 21

What is muscular tissue composed of?

Answer 21

Muscle cells or muscle fibres

Muscle fibres are elongated and large-sized.

Question 22

What are the main functions of muscular tissue?

Answer 22

Contraction and relaxation

Contractile proteins facilitate movement of the body.

Question 23

What are the three types of muscular tissue?

Answer 23

• Cardiac muscle
• Skeletal muscle
• Smooth muscle

Question 24

Describe skeletal muscle.

Answer 24

Muscle fibres are elongated and cylindrical, fast in nature, unbranched, and striated

Striations are alternating dark and light bands.

Question 25

What is a characteristic of skeletal muscle cells?

Answer 25

Each cell is multinucleated ## Footnote This means they contain many nuclei.

Question 26

What type of muscle is easily fatigued?

Answer 26

Skeletal muscle ## Footnote This muscle type is involved in body movement and maintaining posture.

Question 27

What are other names for skeletal muscle?

Answer 27

* Attached to the skeleton * Striated muscles * Voluntary muscles

Question 28

What is the structure of smooth muscle?

Answer 28

Not provided in the text.

Question 29

True or False: Skeletal muscles are under our control.

Answer 29

True

Question 30

Fill in the blank: Skeletal muscles are also known as _______.

Answer 30

[Skeleton Muscles]

Question 31

What are the characteristics of skeletal muscle movement?

Answer 31

* Triceps contract * Biceps relax

Question 32

Where is the nucleus located in smooth/visceral muscle cells?

Answer 32

At the centre of each cell

Question 33

What structural feature is absent in smooth/visceral muscles?

Answer 33

Striations

Question 34

Are smooth/visceral muscles branched or unbranched?

Answer 34

Unbranched

Question 35

What is the contraction speed of smooth/visceral muscles?

Answer 35

Slow

Question 36

Do smooth/visceral muscles fatigue?

Answer 36

Do not fatigue

Question 37

What is the shape of smooth/visceral muscle cells?

Answer 37

Spindle shaped/fusiform

Question 38

What is another name for smooth muscles found in visceral organs?

Answer 38

Visceral Muscles

Question 39

What term describes smooth muscles that lack striations?

Answer 39

Unstriated muscles

Question 40

Are smooth muscles under voluntary or involuntary control?

Answer 40

Involuntary Muscles

Question 41

Name a soft interior organ that contains smooth/visceral muscles.

Answer 41

Lung, liver, abdomen, or intestines

Question 42

Which organs contain visceral muscles?

Answer 42

* Intestine * Stomach * Uterus * Bronchi

Question 43

What is one of the primary functions of smooth/visceral muscles?

Answer 43

Peristalsis

Question 44

Smooth/visceral muscles are found in which type of blood vessels?

Answer 44

Blood vessels

Question 45

What anatomical structure in the eye is influenced by smooth muscles?

Answer 45

Iris

Question 46

What is the shape of cardiac muscle fibers?

Answer 46

Cylindrical in shape ## Footnote Cardiac muscle fibers are unique in their cylindrical structure.

Question 47

How many nuclei do cardiac muscle fibers have?

Answer 47

Uninucleated ## Footnote Each fiber in cardiac muscle contains a single nucleus.

Question 48

What is a distinguishing feature of cardiac muscle fibers?

Answer 48

They are branched ## Footnote The branching structure aids in the coordinated contraction of the heart.

Question 49

What type of striations do cardiac muscles have?

Answer 49

Striations are present ## Footnote This striated appearance is similar to skeletal muscle.

Question 50

Do cardiac muscles fatigue?

Answer 50

Do not fatigue ## Footnote Cardiac muscles are designed for endurance to continuously pump blood.

Question 51

What is another name for cardiac muscle?

Answer 51

Gardiac muscle ## Footnote Cardiac muscle is specifically found in the heart.

Question 52

What type of muscle is cardiac muscle classified as?

Answer 52

Involuntary muscles ## Footnote Cardiac muscles function without conscious control.

Question 53

What is the primary function of cardiac muscle?

Answer 53

Perform contraction and relaxation in wall of heart ## Footnote This function is essential for pumping and distributing blood.

Question 54

What are the main features of cardiac muscle fibers?

Answer 54

Striated, tubular ## Footnote These features contribute to the muscle's ability to contract effectively.

Question 55

What is the muscle type that is usually attached to the skeleton?

Answer 55

Skeletal muscle ## Footnote Skeletal muscles are under voluntary control.

Question 56

What is the shape and nucleus count of smooth muscle fibers?

Answer 56

Spindle-shaped and uninucleated ## Footnote Smooth muscle fibers are found in the walls of internal organs.

Question 57

What characterizes smooth muscle fibers?

Answer 57

Non-striated ## Footnote Smooth muscle does not have the striations seen in cardiac and skeletal muscles.

Question 58

What type of muscle covers the walls of internal organs?

Answer 58

Smooth muscle ## Footnote Smooth muscle is responsible for involuntary movements in organs.

Question 59

What type of muscle fibers are found in cardiac muscle?

Answer 59

Striated, branched, and uninucleated ## Footnote These features are unique to cardiac muscle, distinguishing it from skeletal and smooth muscles.

Question 60

Are cardiac muscles voluntary or involuntary?

Answer 60

Involuntary ## Footnote Cardiac muscles operate automatically without conscious thought.

Question 61

What is the primary function of connective tissue?

Answer 61

Connects various body parts ## Footnote Connective tissue provides support, binding, and structural integrity to different organs and systems in the body.

Question 62

What are the components of connective tissue?

Answer 62

Cells embedded in an intracellular matrix ## Footnote The intracellular matrix can vary in consistency, affecting the properties of the connective tissue.

Question 63

What forms can the extracellular matrix take?

Answer 63

Jelly, fluid, dense, or rigid ## Footnote The nature of the matrix determines the type and function of the connective tissue.

Question 64

Name four types of connective tissue.

Answer 64

* Cartilage * Blood * Bone * Adipose Tissue ## Footnote Each type of connective tissue has distinct structures and functions in the body.

Question 65

What role does adipose tissue play?

Answer 65

Acts like binding, supporting, and packing material ## Footnote Adipose tissue also serves as energy storage and insulation.

Question 66

How does connective tissue prevent organ displacement?

Answer 66

By providing support during body movements ## Footnote This support helps maintain the position of organs relative to one another.

Question 67

What type of tissue functions as a bony attachment?

Answer 67

Bone ## Footnote Bone is a rigid type of connective tissue that provides structure and support to the body.

Question 68

Fill in the blank: The matrix of connective tissue can be _______.

Answer 68

jelly, fluid, dense, or rigid ## Footnote The variety in matrix composition allows for diverse connective tissue types.