Body Co-ordination

Descrição

year 9 exam rev
LIllian Pham
Quiz por LIllian Pham, atualizado more than 1 year ago
LIllian Pham
Criado por LIllian Pham mais de 9 anos atrás
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Resumo de Recurso

Questão 1

Questão
What is the Nervous system made of?
Responda
  • CNS and PNS
  • Neurons

Questão 2

Questão
What does the CNS consist of?
Responda

Questão 3

Questão
What is true about the PNS? (1<)
Responda
  • 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

Questão 4

Questão
In Neurons do Dendrites which branch out and receives messages?
Responda
  • True
  • False

Questão 5

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

Questão 6

Questão
Are the two types of neurons the sensory and motor?
Responda
  • True
  • False

Questão 7

Questão
What is the synapse?
Responda
  • The direction
  • Neurotransmitters
  • The space between the neurones

Questão 8

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

Questão 9

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

Questão 10

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

Questão 11

Questão
Sympathetic: system to calm down
Responda
  • True
  • False

Questão 12

Questão
Parasympathetic: system helps us to calm down
Responda
  • True
  • False

Questão 13

Questão
Sensory neurons: Tells us something has happened from the receptors
Responda
  • True
  • False

Questão 14

Questão
Motor neurons: Gives effect from the hypothalamus
Responda
  • True
  • False

Questão 15

Questão
What is the Stimulus?
Responda
  • Affects that the sensory neurons detects
  • Receptor
  • hormone

Questão 16

Questão
What is a Relay neuron
Responda
  • reacts to things without the brain sending the meassgage
  • a reflex

Questão 17

Questão
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
Responda
  • True
  • False

Questão 18

Questão
Autonomic nervous system: Prepares your body to be alert (sympathetic) and to calm down (parasympathetic).
Responda
  • 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

Questão 19

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

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