Our senses 2
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The document discusses the five human senses - sight, hearing, taste, touch, and smell. It describes the organs associated with each sense, how each sense is used, and provides some additional details. The nervous system, which is made up of the brain, spinal cord, and nerves, is also described as it relates to carrying messages from the senses to the brain and instructions from the brain to the body.
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Our senses 2
- 1. We have five senses and each sense has an organ. OUR SENSES
- 2. THE SENSE OF SIGHT. . The organs of sight are the eyes. .We use our eyes to identify colour, shape, size and distance. . Our eyes are very delicate and are protected by the eyebrows, eyelashes and eyelids. These stop sweat and dust getting in our eyes. . The pupil is black but the iris can be different colours.
- 3. . The organs of hearing are the ears. . We use our ears to identify loud and quiet sounds. . Our ears have three parts: the outer ear, the middle ear and the inner ear. . Our ears are very delicate. Earwax is a sticky substance inside our ear canal. It protects our ears from dirt and infection. THE SENSE OF HEARING. Earwax
- 4. . The organ of smell is the nose. . We use our nose to indentify different smells. . Air enters the nose through the nostrils. . The olfactory nerve sends information to our brain which tells us what we can smell. THE SENSE OF SMELL. Olfactory nerve Nostrils brain
- 5. THE SENSE OF TASTE. . The organ of taste is the tongue. . We use our tongue to identify different tastes: sweet, salty, bittter and sour. . Our tongue is covered in taste buds. They identify different tastes. . Nerves send information about the different tastes to our brain. Taste buds Sour Sweet Bitter Salty Tongue Nerves Brain
- 6. CANDIES POPCORN CRISPS OLIVES VINEGAR BROCCOLI LEMONS COFFEE ICE CREAM . Candies taste 3 1 4 2 TASTES: .SWEET .SALTY .SOUR .BITTER
- 7. THE SENSE OF TOUCH. . The organ of touch is the skin. . Our body is covered in skin. . It is the largest organ! . We use our skin to identify hot or cold, hard or soft, smooth or rough. Sensory nerve
- 9. 1.ARE THEY SOFT OR HARD? 2.ARE THEY ROUGH OR SMOOTH?
- 10. Our senses work together with our nervous system. The nervous system is made up of the brain, the spinal cord and the nerves. Brain Nerves Spinal cord
- 11. . The brain is inside the skull. .It controls everything that happens in our bodies. . It receives messages from our five senses and gives instructions.
- 12. . There are nerves all over our body. .Most nerves are connected to the brain by the spinal cord.
- 13. .The nerves carry messages to the brain. .The nerves carry instructions from the brain to our locomotor system that make us move and react to the environment. We use our senses all the time to recognise and respond what is happening around us.
- 14. CHECK YOUR LEARNING. TRUE OR FALSE? 1. We use our senses to recognise and respond to what is happening around us. 2. The organ of smell is the skin. 3. The organ of taste is the tongue. 4. The organs of touch are the eyes. 5. The organs of sight are the ears. 6. The nervous system is made of the brain, the spinal cord and the nerves. 7. The brain is in the skull. 8. The nerves carry messages to the brain. 9. Most nerves are connected to the brain by the spinal cord. TRUE TRUE TRUE TRUE TRUE TRUE FALSE FALSE FALSE
- 15. 1. What are the five senses? 2. Complete the sentences: a) The ________, the spinal cord and the nerves make up the nervous system. b) Our ______ send the information to the brain through the nerves. c) Eyes are the organs of ___________. 4. Which of senses do you use when you a) Eat a cake ________________ b) Listen to the radio ___________ c) Feel an object with your eyes closed _____________ d) Wear a perfume ____________ e) Watch a film _________________ brain organs sight TASTE HEARING SMELL TOUCH SIGHT Sight, hearing, taste, touch, smell