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Ninth Grade (Grade 9) Nervous and Endocrine Systems Questions

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Grade 9 Nervous and Endocrine Systems
The endocrine glands are glands that
  1. produce hormones.
  2. are situated on the kidneys.
  3. produce the hormone epinephrine.
  4. allow the body to maintain a constant body temperature.
Grade 9 Nervous and Endocrine Systems
This gland makes testosterone, which is involved in the production of sperm.
  1. pancreas
  2. testes
  3. ovaries
  4. thyroid
Grade 9 Nervous and Endocrine Systems
Which organ contains the three smallest bones existing in the human body?
  1. ear
  2. eye
  3. brain
  4. tongue
Grade 9 Nervous and Endocrine Systems
Connections in a baby's brain increase through
  1. experiences.
  2. hearing.
  3. sight.
  4. silence.
Grade 9 Nervous and Endocrine Systems
The process by which organisms maintain their internal environment within certain limits is called
  1. homeostasis.
  2. enzymatic reactions.
  3. photosynthesis.
Grade 9 Nervous and Endocrine Systems
Which structures of a neuron are involved in the formation of a synapse?
Neuron
  1. B and D
  2. B and C
  3. A and E
  4. A and F
Grade 9 Nervous and Endocrine Systems
What structure moves neural impulses from the inner ear to the brain?
  1. ear drum
  2. auditory nerve
  3. outer ear
  4. cones
Grade 9 Nervous and Endocrine Systems
The chemical message released from the end of an axon to be received by the dendrites of another neuron is a(n)
  1. axon.
  2. effector.
  3. nerve impulse.
  4. neurotransmitter.
Grade 9 Nervous and Endocrine Systems
The cerebrospinal fluid makes it so that the brain cannot move at all.
  1. True
  2. False
Grade 9 Nervous and Endocrine Systems
The cerebellum is in the brain system.
  1. True
  2. False
Grade 9 Nervous and Endocrine Systems
Which structure carries messages from the eyes to the brain?
  1. optic nerve
  2. ciliary muscle
  3. vitreous humor
  4. lacrimal glands
Grade 9 Nervous and Endocrine Systems
Which gland produces progesterone?
  1. ovaries
  2. adrenal
  3. thyroid
  4. hypothalamus
Grade 9 Nervous and Endocrine Systems
The part of the brain that is responsible for coordination and balance is the
  1. brain stem.
  2. cerebellum.
  3. cerebrum.
  4. medulla.
Grade 9 Nervous and Endocrine Systems
To which part of the body is the brain stem connected?
  1. cerebellum
  2. cerebrum
  3. cranium
  4. scapula
Grade 9 Nervous and Endocrine Systems
The olfactory nerve connects the eye to the brain.
  1. True
  2. False
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