AnswersSSCR 26 Biology BThe Immune System

The Immune System — Unit test Answers

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Skeletal muscle is controlled by the organism.Which best describes what this means in terms of movement?

A
Any muscle attached to the skeleton is voluntary and may be used for movement.
B
Some of the muscle attached to the skeleton is involuntary and may be used for movement.
C
Some of the muscle attached to the skeleton is voluntary and may be used for movement.
D
All of the muscles attached to the skeleton are involuntary and may be used for movement.
22
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Which of the following describes the epididymis?

A
a tube that transports sperm to the urethra
B
a vesicle that produces fluid and gives sperm nourishment and motility
C
a gland that contributes fluid to semen
D
a tube that stores and develops sperm cells from the testes
23

Which type of muscle tissue is both voluntary and striated?

A
smooth
B
cardiac
C
skeletal
D
heart
24

Which structures are parts of the central nervous system? Select all that apply.the brainthe heartthe spinal cordthe sensory neuronsthe bonesthe muscles

A
the brain
B
the heart
C
the spinal cord
D
the sensory neurons
E
the bones
F
the muscles
25

Heather presented to her class a report about the pancreas. Which statement in Heather’s report was not accurate?

A
The pancreas has both endocrine and exocrine functions.
B
The pancreas regulates blood sugar concentration.
C
The pancreas triggers the development of secondary sex characteristics.
D
The pancreas helps digest fat, protein, and carbohydrates.

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