Chp. 10 Muscle Tissue

Question 1

What are 3 types of Muscle Tissue?

Answer 1

1. Skeletal Muscle Tissue
2. Cardiac Muscle Tissue
3. Smooth Muscle Tissue

Question 2

Striations are?

Answer 2

thick filaments and thin filaments lined up

Question 3

4 Common Features of Muscle Cells?

Answer 3

1. Excitability
2. Contractibility
3. Extensibility
4. Elasticity

Question 4

Excitability:

Answer 4

ability to receive and respond to stimulus

Question 5

Contractibility:

Answer 5

ability to shorten when stimulated

Question 6

Extensibility:

Answer 6

stretching movement

Question 7

Elasticity:

Answer 7

ability to recoil to resting length

Question 8

7 Functions of Skeletal Muscle Tissue?

Answer 8

1. produces skeletal muscle
2. posture, body positions
3. supports soft tissue
4. guards/controls openings of digestive and urinary tracts
5. stores nutrients
6. maintains body temp.
7. bulk transport of body fluids
   
   • blood
   • lymph

Question 9

4 organizations of skeletal muscles?

Answer 9

1. tendon
2. perimysium
3. epimysium
4. endomysium

Question 10

Tendon: bundle of ____ fibres, attach ____ to _____

• collagen fibers extend into ____ matrix providing ____ attachment
• also occurs as sheet = _____

Answer 10

collagen, muscle, bone
bone, firm
aponeurosis

Question 11

Epimysium: dense layer of ____ fibres surrounding entire muscle

• separates _____ from surrounding ____ and ____
• connected to _____

Answer 11

• collagen
• muscle, tissues, organs
• deep fascia

Question 12

Perimysium: fibrous layer that divides muscle into compartments or ____ of cells = ______
- contains ____ and _____ fibres, _____, and nerves

Answer 12

• bundles, fascicles

- collagen, elastin, blood vessels

Question 13

Endomysium: surrounds ____ muscle cells or fibres

• _____ interconnects adjacent muscle fibres
• contains _____, ______ ____, axons of neurons that control muscle fibers

Answer 13

individual

• loosely
• capillaries, myosatellite (stem) cells

Question 14

skeletal muscle fibers are unique:
1.
2.
3.

Answer 14

1. huge
2. multinucleate
3. striated

Question 15

skeletal muscle cell development due to _____

Answer 15

myoblasts