Living processes

Part of Biology (Single Science)

  • Living processes

    • Photosynthesis and plants

      Green plants absorb light in their leaves and convert it to energy by photosynthesis.

    • Nutrition and food tests

      Food provides energy and nutrients. Why do the different components of our diet have various sources and functions?

    • Enzymes and digestion

      Enzymes are proteins that act as biological catalysts, meaning they speed up reactions without being used up.

    • The respiratory system, breathing and respiration

      How is the human respiratory system adapted to allow air to pass in and out of the body, and for efficient gas exchange to happen?

    • The nervous system

      The brain and spinal cord form the central nervous system (CNS). How does the CNS control and coordinate responses between receptors and effectors?

    • Hormones

      Find out how hormones play an important role in maintaining a constant state within the internal environment of the body in response to changes both inside and out.

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