Tissues and systems

Question 1

How are cells, tissues, and organs related?

Answer 1

Cells make up tissues, similar tissues make up organs.

Question 2

What are the four types of tissue

Answer 2

Epithelial, Connective, Muscle, Nervous

Question 3

Where is internal Epithelial tissue found? and where is external epithelial tissue found?

Answer 3

• Inside: Lining of digestive tract, lining of hollow organs (Heart, lungs, urinary tract)
• External: Skin

Question 4

T or F, Epithelial tissue contains no blood vessels, except in the gastrointestinal tract?

Answer 4

T

Question 5

What are the different classifications of epithelial tissue and its meaning?

Answer 5

Squamous: Flat/scale-like
Cuboidal: Cube shape
Columnar: Column like
Transitional: Variable in shape, stretchy

Question 6

What do the terms Simple, stratified, and pseudostratified mean?

Answer 6

Simple: Single layer
Stratified: Multiple layer
Pseudostratified: Looks stratified but is actually one layer.

Question 7

What are the types of Epithelial membranes?

Answer 7

• Cutaneous: skin, covers body surface
• Serous: Double layered membrane, lines body cavities and some organs
• Visceral: Wraps around organ surface, lines inner thoracic cavity
• Parietal: Lines body cavity
• Mucous: Lines openings of body that leads to external environment

Question 8

What is the most abundant tissue?

Answer 8

Connective Tissue

Question 9

Where is connective tissue found?

Answer 9

Bones, muscles, membranes and skin

Question 10

A collection of noncellular material in which cells are embedded is called an..?

Answer 10

Extracellular Matrix

Question 11

What are the four classifications of connective tissue?

Answer 11

Connective tissue proper
Cartilage
Bone
Blood and lymph

Question 12

What are the types of connective tissue proper?

Answer 12

Loose: Web-like mesh
Adipose: Body fat
Dense: Tightly packed

Question 13

What membrane is found in spaces between joints? What kind of fluid does it secrete?

Answer 13

Synovial membrane; Synovial fluid

Question 14

What are the three types of muscle tissue?

Answer 14

Skeletal- Striated; attached to bone; voluntary
Cardiac- Walls of heart; Striated; involuntary
Smooth- Walls tubes and hollow organs; not striated; involuntary

Question 15

What tissue acts as a rapid messenger for the body?

Answer 15

Nervous tissue

Question 16

What are neurons and Neuroglia?

Answer 16

They are the types of nerve cells. Neurons conduct information (dendrites) receive info. Neuroglia are support cells.

Question 17

The insulating layer of many nerves is called the?

Answer 17

Myelin sheath

Question 18

What membrane covers the brain and spinal cord?

Answer 18

Meninges

Question 19

What are the four signs of inflammation?

Answer 19

Redness, heat, swelling, pain

Question 20

What pulls the wound edges during healing?

Answer 20

Fibroblasts

Question 21

What is the difference between Regeneration and scarring?

Answer 21

Regeneration= replacement with new original tissue
Scarring= tissue replacement when the wound is severe. Cannot function like regular tissue.

Question 22

Can nervous tissue regenerate well?

Answer 22

No

Question 23

What type of tissue has an “excellent” ability to regenerate?

Answer 23

Bone, blood, epithelium

Question 24

Explain the anatomy and physiology of the Integumentary system.

Answer 24

Anatomy: Skin, hair, sweat glands, nails
Physiology: Temp. regulation; Relays external info; produce vitamin D with the help of sun

Question 25

A&P of the Skeletal system.

Answer 25

Anatomy: Bones, joints, ligaments, cartilage
P: forms cells; Form and shape; protect organs, Stores fat