muscle tissues

Question 1

★ can shorten or contract to produce movements

Answer 1

MUSCLE TISSUES

Question 2

★ attached directly to the skeleton or bones or via tendons
★ provides structure and support
★ most abundant in our body
★ becomes smaller when not used
★ voluntary movement

Answer 2

SKELETAL MUSCLE

Question 3

★ no precise number of skeletal muscle but there are ___ known skeletal muscle in our body

Answer 3

650

Question 4

muscle growth

Answer 4

muscle hypertrophy

Question 5

○ multi nucleated
○ striated because of sarcomere

Answer 5

★ muscle fibers

Question 6

○ fuses during embryonic period an creates strand of
fibers that are nucleated until they formed muscle
fibers

Answer 6

★ myoblast cells

Question 7

○ forms a muscle fiber, fascicle, when combined
together
○ fascicle combined - creates a skeletal mus

Answer 7

★ myofibrils

Question 8

in the myofibril
○ smallest unit of muscle
○ basic contractile unit of muscle fiber
○ muscle contraction and relaxation
○ has actin and myosin filaments

Answer 8

★ sarcomere

Question 9

★ seen in the upper part of the esophagus
★ voluntary
★ swallowing and vomiting
★ blocks food from entering the esophagus

Answer 9

UPPER ESOPHAGEAL SPHINCTER

Question 10

★ voluntary
★ cuts the tae when it’s long

Answer 10

EXTERNAL ANAL SPHINCTER

Question 11

★ urinary retention

Answer 11

URETHRAL SPHINCTER

Question 12

★ - cells of heart

Answer 12

cardiomyocytes

Question 13

★ has a pacemaker
★ striated
★ helps in peristalsis
★ contracts to push the urine to our bladder

Answer 13

CARDIAC MUSCLE

Question 14

○ gap junction
○ where stimulus and electrical impulses flow for the
heart to beat
○ facilitate the rapid conduction of electrical impulses
across the heart.

Answer 14

★ intercalated disc

Question 15

○ wave-like motion to push the food down to our
stomach

Answer 15

peristalsis