Muscular System

Question 1

3 types of muscle

Answer 1

• skeletal
• cardiac
• smooth

Question 2

muscles

Answer 2

FIBROUS TISSUE with unique ability to shorten and contract move body parts and then relax back to original strength

Question 3

What are skeletal also called?

Answer 3

striated

Question 4

What are smooth muscle also called?

Answer 4

visceral tissue

Question 5

sarcomeres

Answer 5

repeating contractile units of skeletal muscles

-delineated by these bonds of myosin and actin filaments

Question 6

How are signal supplied?

Answer 6

by neurons

Question 7

Smooth muscles are..?

Answer 7

• NONSTRIATED
• involuntary
• shorter and wider than skeletal muscles fibers

Question 8

cardiac muscle tissue

Answer 8

• involuntary only in heart

- STRIATED (like skeletal)

Question 9

muscle straining

Answer 9

stretching and tearing of the muscle

Question 10

sprain

Answer 10

injury to accompanying LIGANDS/TENDONS

Question 11

amyotrophic lateral sclerosis

Answer 11

• aka Lov Genrig’s disease
• at neuromuscular junction, motor neurons degenerate and die
• loss of voluntary movement

Question 12

muscular dystrophy

Answer 12

group of genetic disorders in which abnormal genes interfere with production of poteins needed to form healthy muscle
-voluntary and involuntary

Question 13

spinal cord injuries

Answer 13

affect communications between peripheral nerves and brain

- both somatic (voluntary) and automatic (visceral) affected