Module 2 Study Guide

Question 1

Stem cells

Answer 1

Develops into variety of cells

Question 2

Epithelial Tissue

Answer 2

Protects, secretes, absorbs, filtration

Question 3

Connective tissue

Answer 3

Collagen’s fibers are most abundant

Question 4

Muscle tissue

Answer 4

Skeletal- voluntary
Cardiac(heart)- involuntary
Smooth- involuntary

Question 5

Nervous tissue

Answer 5

Found in brain, spinal cord, and nerves

Question 6

Tissue

Answer 6

Group of similar cells that perform common function

Question 7

Dermis

Answer 7

Connective tissue
- had blood vessels, sweat glands, sebaceous glands, nerve endings, hair follicles

Question 8

Stratum basal

Answer 8

Forms new cells
- New skin cells push old ones up that form keratin

Question 9

Melanin

Answer 9

Protects nucleus from uv rays

Question 10

Arrector pili muscle

Answer 10

Smooth muscle on follicle that helps it stand straight

Question 11

Thermoregulation

Answer 11

In dermis nerves are constricting/ dilating blood vessels

Question 12

Flat bone

Answer 12

• Protect organs
• provide large surface area for attachment of muscles

Question 13

Diaphysis

Answer 13

Hollow cylinder made of compact bone
- gives bone strength

Question 14

Osteoblasts

Answer 14

Cells that form bones

Question 15

Osteoclasts

Answer 15

Cells dissolving unwanted bone

Question 16

Osteocytes

Answer 16

Mature osteoblasts embedded in bone matrix
- dissolve and deposit bone
- maintain/ regulate blood levels of calcium and phosphorus

Question 17

Calcium(crystalline) salts

Answer 17

Give bone compressional strength

Question 18

Appendicular skeleton

Answer 18

Bone of limbs, pelvic, and shoulder areas

Question 19

Bone surface markings

Answer 19

Provide routes for blood vessels and nerves, surface for muscle attachment, and areas for joint formation

Question 20

Vertebrae Column

Answer 20

Cervical(7)
Thoracic(12)
Lumbar(5)
Sacral(5)
Coccyx (4)

Question 21

Intervertebral Disc

Answer 21

Supports weight and absorbs shock

Question 22

Myofibrils

Answer 22

Long protein bundles that fill
Sacromere
- store glycogen and oxygen

Question 23

Sacomeres

Answer 23

Lattice arranged myofibrils

Question 24

Contractions require

Answer 24

Threshold(minimum voltage), motor unit(neuron), twitch(brief contact)

Question 25

Muscle contraction

Answer 25

Impulse reaches end of motor neuron causing release of ACH

Question 26

Amphiarthroses joint

Answer 26

Semi movable joint by cartilage

Question 27

Suture joints

Answer 27

Fibrous fixed joints

Question 28

Synovial joints (freely movable)

Answer 28

Most numerous and versatile joints

Question 29

Joint capsule

Answer 29

Sheet of connective tissue that encloses joint cavity

Question 30

Condyloid Joint

Answer 30

Allows flexion, extension, and side to side movement