Body Co-ordination

LIllian Pham
Quiz by LIllian Pham, updated more than 1 year ago
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year 9 exam rev
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Resource summary

Question 1

Question
What is the Nervous system made of?
Answer
  • CNS and PNS
  • Neurons

Question 2

Question
What does the CNS consist of?
Answer

Question 3

Question
What is true about the PNS? (1<)
Answer
  • Cranial nerves branch from the brain
  • Brain and spinal cord
  • Sends and receives messages to and from the CNS
  • Processes all of the info
  • Spinal nerves branch out from the spinal cord

Question 4

Question
In Neurons do Dendrites which branch out and receives messages?
Answer
  • True
  • False

Question 5

Question
What does the myelin sheath do?
Answer
  • sends nerve impulses along the cell
  • Ensures the electrical signal doesn't pass to other neurons

Question 6

Question
Are the two types of neurons the sensory and motor?
Answer
  • True
  • False

Question 7

Question
What is the synapse?
Answer
  • The direction
  • Neurotransmitters
  • The space between the neurones

Question 8

Question
Sensory neurons- carry messages from the sensory organs to the CNS What does it consist of?
Answer
  • Eyes ears...
  • Skin, nails

Question 9

Question
Motor neurones- carry messages from the CNS to the effectors that put the messages into effect what are the parts?
Answer
  • eyes, skin
  • . Muscles or glands
  • brain and spine

Question 10

Question
Neurotransmitters: A chemical message which is released at the end of a nerve fiber by the arrival of a nerve impulse
Answer
  • True
  • False

Question 11

Question
Sympathetic: system to calm down
Answer
  • True
  • False

Question 12

Question
Parasympathetic: system helps us to calm down
Answer
  • True
  • False

Question 13

Question
Sensory neurons: Tells us something has happened from the receptors
Answer
  • True
  • False

Question 14

Question
Motor neurons: Gives effect from the hypothalamus
Answer
  • True
  • False

Question 15

Question
What is the Stimulus?
Answer
  • Affects that the sensory neurons detects
  • Receptor
  • hormone

Question 16

Question
What is a Relay neuron
Answer
  • reacts to things without the brain sending the meassgage
  • a reflex

Question 17

Question
The relay neuron in the spinal cord passes the message to a motor neurone to react. Passed back to the brain. Acts as a reflex
Answer
  • True
  • False

Question 18

Question
Autonomic nervous system: Prepares your body to be alert (sympathetic) and to calm down (parasympathetic).
Answer
  • By redirecting blood to and from the certain areas that are likely to be used, muscles and effectors.
  • Responsible for collecting information from our senses and body’s movement

Question 19

Question
Our bodies ensure that:
Answer
  • we maintain healthy levels of oxygen, water and the temperature
  • our blood is healthy and our brain
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