Exercise 7: Muscular System Anatomy

Question 1

The human body has about

Answer 1

700 muscles

Question 2

Muscles are names based on several criteria

Answer 2

Shape
Size
Direction of fibers
Origin and insertion
Number of heads
Action
Location 
Any combination of these

Question 3

Include muscles of facial expression, extrinsic eye ball muscles, muscles of mastication
And those that move the head and shoulder

Answer 3

Muscles of the head and neck

Question 4

Enable humans to express a variety if emotions

Answer 4

Muscles of facial expression

Question 5

Originate from the bones of the skull and insert into the skin

Answer 5

Muscles of facial expression

Question 6

Are moved by skeletal muscles referred to as extrinsic eyeball muscles

Answer 6

Eyeballs

Question 7

Originate from the orbit and insert into the outer surface of the sclera

Answer 7

Eyeballs

Question 8

Among the most precisely controlled muscles and the fastest to contract

Answer 8

Extrinsic eyeball muscle

Question 9

Muscles of the anterior thorax which move the ribs, head, and arms

Answer 9

Muscles of the trunk

Question 10

Move the vertebral column and form the abdominal girdle

Answer 10

Abdominal muscles

Question 11

Include those that move the arm,elbow, wrist, and hand

Answer 11

Muscle of the upper extremities

Question 12

Move the hip, knee and foot joints

Answer 12

Hip and lower extremities muscles

Question 13

Collectively referred to as the precocious diaphragm which extends from the pubis to the coccyx

Answer 13

Two muscles of the Pelvic floor

Question 14

In males, the pelvic diaphragm is pierced by the _______ and ______

Answer 14

Anal opening

Urethra

Question 15

In females, the pelvic diaphragm is pierced by

Answer 15

Anal opening
Urethra
Vagina

Question 16

Constitutes all voluntary skeletal muscles

Answer 16

Muscular system