Chapter 10: Muscle Tissue

Question 1

what is the main function of muscle tissue?

Answer 1

contraction & movement

Question 2

muscle tissue contain specialized

Answer 2

contractile proteins

Question 3

what are the 2 types of myofilaments in muscle tissue?

Answer 3

1. actin
2. myosin

Question 4

what are the 4 specialized structures of muscle tissue?

Answer 4

1. sarcoplasm
2. sarcolemma
3. sarcoplasmic reticulum
4. sarcomeres

Question 5

what are the 3 categories of muscle tissue?

Answer 5

1. skeletal
2. cardiac
3. smooth

Question 6

what are 3 characteristics of skeletal muscle?

Answer 6

1. rapid
2. strong
3. voluntary

Question 7

what are 2 characteristics of cardiac muscle?

Answer 7

1. strong
2. involuntary

Question 8

what are the 2 characteristics of smooth muscle?

Answer 8

1. slow
2. involuntary

Question 9

what is the contractile unit of skeletal muscle?

Answer 9

sarcomere

Question 10

what are the 3 CT layer of skeletal muscle?

Answer 10

1. epimysium
2. perimysium
3. endomysium

Question 11

what are histological features of skeletal muscle?

Answer 11

• striations
• multinucleated myofibers
  nuclei
• nuclei at periphery
• well-vascularized
• innervation of myofiber

Question 12

what is the functional unit of skeletal muscle?

Answer 12

the sarcomere

Question 13

what gives the striated appearance?

Answer 13

the high organization of myofilaments

Question 14

what are the components of the sarcomere?

Answer 14

• actin
• myosin
• tropomyosin
• troponin