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Review for Natural Science- 4 Primary

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  • Light enters your eyes and forms an upside-down image on the _________.
    Retina
  • This part of the brain controls movement, balance and coordination.
    Cerebellum
  • Provide three (3) examples of food that contain healthy fats.
    Olive oil, seeds, avocados, nuts, and many more
  • The bones of the skeleton come together at ________.
    Joints
  • Air enters your nose through the nostrils when you breathe in. The _________ transmit the information to the brain.
    Olfactory nerves
  • When _________ enter your ears, the liquid inside the cochlea moves and sends signals to the brain
    Sound waves
  • There are viruses or bacteria which can make you ill.
    Germs
  • When you touch something, ____________ in your skin transmit information to the brain about how it feels. They also detect pain and temperature.
    Sensory nerves
  • The skeleton is made up of all the bones in your body. It is divided into three parts: _________, _________, and ___________.
    Skull, Torso, and Limbs
  • What sends information to the brain about the upside-down image on the retina?
    Optic nerves
  • True or false: There are less than 600 muscles in your body.
    False. There are over 600 muscles.
  • Enumerate the five senses.
    Sight, Touch, Smell, Hearing, Taste
  • What is the benefit of protein to our body?
    It helps our body build and repair muscles and organs.
  • They are sensory organs found in your tongue and they detect different tastes.
    Taste buds
  • What is the benefit of fibre to our body?
    It helps the digestive system stay healthy.
  • The ____________ controls everything you do. It is made up of the brain, the spinal cord and the nerves.
    Nervous system
  • This is the position of your where you stand, sit, or lie down.
    Posture
  • What do you call this life function where people interact with each other and with their environment?
    Interaction
  • What are the two functions of the skeleton?
    1. To support the body. 2. To protect your internal organs
  • What is the benefit of calcium in our body?
    It is good for healthy bones and teeth.
  • They provide your body with long-lasting energy.
    Carbohydrates
  • The locomotor system is made up of ________, _______ and __________.
    Skeleton, joints, and
  • This is the result of unhealthy diet and not doing exercise.
    Obesity
  • This part of the brain controls involuntary actions, such as breathing.
    Brain stem
  • The bones at the joints are connected by ________.
    Ligaments
  • What is the benefit of antioxidants to our body?
    Protect our cells and fight off cancer
  • This is a visit to the doctor to see if you are healthy.
    Check-up
  • These types of food give you vitamins and minerals to keep you healthy.
    Fruits and vegetables
  • __________ connect muscles to the bones.
    Tendons
  • This part of the brain controls voluntary actions, such as speaking.
    Cerebrum