Units Of Human Body Composition

Question 1

What is the definition of a “cell”?

Answer 1

Fundamental unit of structures and function

Question 2

What is the definition of a “tissue”?

Answer 2

A colony of cells similar in structure and function

Question 3

What is the definition of an “organ”?

Answer 3

A somewhat independent part of the body that performs some functional component (2 or more tissues)

Question 4

What is the definition of a “system”?

Answer 4

2 or more organs combine to accomplish a function

Question 5

What is “epithelial tissue”?

Answer 5

Types
- simple
- compound

Function
- skin and mucosal linings of organs
- protection

Question 6

What is “connective tissue”?

Answer 6

Function
- binds
- supports

Types
- loose
- dense/fibrous

Question 7

What’s the function of “connective tissue”?

Answer 7

Binds and supports
Types:
- loose (adipose)
- dense/fibrous
- proper (white fibrous, yellow elastic)
- supportive (bone, cartilage)

Question 8

What is “adipose tissue”?

Answer 8

Loose connective tissue, fat deposits

Question 9

What is “white fibrous” tissue?

Answer 9

Proper dense connective tissue

Tendons, ligaments, aponeuroses, and fascia

Question 10

What are “ligaments”?

Answer 10

Connect bones to bones or bones to cartilage

Question 11

What is “aponeuroses” tissue?

Answer 11

Found in Anterior abdominal wall

Flat sheets of connective tissue

Question 12

What is “fascia”?

Answer 12

Thin casting of white fibrous connective tissue

Holds every organ, blood vessel, bone, nerve fiber, and muscle in place

Question 13

What is “yellow elastic tissue”?

Answer 13

Much less dense than white fibrous tissue. Found in areas requiring recoil (spring-like)

Ex: lungs, trachea, bronchi

Question 14

What are bones?

Answer 14

Supportive connective tissue

Provide strength and support
- most start a cartilage and some may remain, in part, cartilage

Compact (made up of sheets of tissue)
Spongy (porous)

Question 15

What are the types of cartilage?

Answer 15

Hyaline
Yellow
Fibrous

Question 16

What is “hyaline cartilage”?

Answer 16

Found on joints, good for articulation

Larynx, TMJ

Blue tinge

Question 17

What is “yellow cartilage”?

Answer 17

Found in nose, ear, and epiglottis

Less collagen

Question 18

Where do you find fibrous cartilage?

Answer 18

Between each vertebrae
Knee

More cartilage
Strong, can be compressed

Question 19

What are the types of joints?

Answer 19

• synovial (diarthrodial)
  
  • high mobility
• cartilaginous (amohiarthrodial)
  
  • limited mobility
• fibrous (synarthrodial)
  
  • almost no mobility

Question 20

What are muscles?

Answer 20

Specialized tissue w electrical-chemical properties

Will work primarily w striated/voluntary muscles

Bundled together by function

Origin: point of attachment
Insertion: point of movement

Active (shorten) or inaction

Muscles always pull on structures

Question 21

Parts of muscle movement

Answer 21

Agonist: moved structure
Antagonist! : Opposes movement
Synergistic: stabilize or optimize movement

A muscle can function as all 3

Question 22

What are the two types of neural tissue?

Answer 22

Neurons and glial cells