The Muscular System Answers

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Answers:
Selection 1:stimulus.
Selection 2:Elasticity
5

Use the drop-down menus to select the best answers. CardiacSmooth✔ Skeletal is striated muscle under conscious control.

Answers:
is striated muscle under conscious control.:Skeletal
is nonstriated muscle that is not under conscious control.:Smooth
is striated muscle that is not under conscious control.:Cardiac
6

The muscular system works in conjunction with the nervous system. If it didn’t, what would happen?

A
The muscles would receive no blood supply.
B
The muscles would have no way to attach to bones.
C
The muscles would not be tightly bound together by connective tissue.
D
The muscles would not receive electrical signals telling them to contract.
8

A person riding in a 100-mile bicycle race relies on which energy system to fuel her long ride?

A
aerobic respiration
B
anaerobic respiration
C
ATP stored in muscle cells
9

The part of a muscle cell that can contract is called the

A
fascicle.
B
myofibril.
C
muscle fiber.
D
sarcolemma.
12

The muscles of mastication are located

A
in the arms.
B
in the back.
C
in the face.
D
in the abdomen.
13

Stabilization is

A
actively moving the bones around a joint.
B
providing an electrical stimulus to muscle cells.
C
moving one body part away from the midline.
D
keeping one joint in place while another joint moves.
14

The function of the erector spinae muscles is to

A
lift the arms.
B
rotate the shoulders.
C
bring the chin down to the chest.
D
support the back’s upright posture.
16

Question text not available

Answers:
connects the muscles in the lower leg to the heel bone.:tendon
Selection 2:organize muscles.
17

Use the drop-down menus to select the best answers. A flexor✔ tendonfasciclemyofibril connects the muscles in the lower leg to the heel bone.

Answers:
connects the muscles in the lower leg to the heel bone.:tendon
Selection 2:organize muscles.
18

The skeletal system includes the

A
heart.
B
bones.
C
blood vessels.
D
lungs.
19

How long can a muscle move before it uses up all the energy stored within the muscle tissue?

A
four to six seconds
B
fifteen seconds
C
thirty to sixty seconds
D
several hours

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