Science Definitions

Science Definitions

Biology

  • Digestion is the breaking down of food
  • Respiration is the release of energy from food
  • Excretion is the removal of waste products of chemical reactions in the body
  • An antagonistic pair is made up of two muscles that cause opposite effects
  • Sensory nerves carry messages to the central nervous system. Motor nerves carry messages away from the central nervous system.
  • Ovulation is the release of an egg from the ovary.
  • Fertilisation is the joining of the sperm and the egg to form a ...

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