AnswersSummer School LA-Biology CRThe Musculoskeletal and Integumentary Systems

The Musculoskeletal and Integumentary Systems Answers

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1
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The hair on Jamal’s arms is standing straight up.What most likely explains why his hair is behaving this way?

A
He is in a cold area.
B
He is sweating.
C
He is in danger of bacteria.
D
He is receiving information for touch.
2
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Bone marrow can be found in the many hollow spaces in the type of bone.

Answer not available
3

The picture represents muscle tissue.

Question illustration
A
cardiac
B
skeletal
C
smooth
D
striated
4

Which describes an interaction within the musculoskeletal system?

A
When a muscle contracts, a bone will move.
B
When a bone contracts, a muscle will move.
C
When a tendon contracts, a ligament will move.
D
When a ligament contracts, a tendon will move.
5

bonetendonligamentorgan

A
bone
B
tendon
C
ligament
D
organ
6

Which trait do cardiac and smooth muscle share?

A
voluntary
B
involuntary
C
nonstriated
D
striated
7

To raise an arm upward, the muscle on one side of it contracts.What happens to the muscle on the opposite side of the arm?

A
contracts
B
relaxes
C
both contracts and relaxes
D
neither contracts nor relaxes
8

Which protects nerve endings at the ends of fingers and toes?

A
joints
B
hair
C
nails
D
muscle
9

When Jacob starts running, his legs move faster and his heart rate increases. Which types of muscles are involved in these changes?

A
Skeletal muscles control his leg movement and smooth muscles control his heart rate.
B
Skeletal muscles control his leg movement and cardiac muscles control his heart rate.
C
Smooth muscles control his leg movement and cardiac muscles control his heart rate.
D
Skeletal muscles control both his leg movement and heart rate.
10

Which is the largest organ?

A
sartorius
B
skin
C
hair
D
gluteus maximus

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