Q.1
Synapses are found within which of the following?
  • The spinal cord
  • The brain
  • The alveoli
  • The heart
Q.2
Which of the following is a sense organ?
  • Eye
  • Ear
  • Tongue
  • Synapse
Q.3
The central nervous system consists of the brain and which other body part?
  • The heart
  • The liver
  • The spinal cord
  • The eyes
Q.4
How does the neurotransmitter travel across the synapse?
  • By osmosis
  • By active transport
  • By diffusion
  • By taxi
Q.5
Which of the following words best describes a synapse?
  • A gap
  • A bridge
  • A valley
  • A lake
Q.6
What do we call the chemicals which travel across the synapses?
  • Hormones
  • Enzymes
  • DNA
  • Neurotransmitters
Q.7
What happens after the neurotransmitter has crossed the synapse?
  • It binds to a receptor
  • It triggers a hormone to be released
  • It increases the heart rate
  • It causes an increase in body temperature
Q.8
What do synapses connect?
  • Neurons
  • Muscles
  • Tendons
  • Ligaments
Q.9
Electrical impulses travel along which part of a neuron?
  • The synapse
  • The axon
  • The nucleus
  • The receptor
Q.10
What is the order of events at a synapse between a neuron and a muscle cell?
  • Nerve impulse - neurotransmitter released - muscle contraction
  • Muscle contraction - neurotransmitter released - nerve impulse
  • Neurotransmitter released - muscle contraction - nerve impulse
  • Neurotransmitter released - nerve impulse - muscle contraction
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