Five senses

Five senses

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  FIVE SENSES SCIENCE
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  SENSE OF SIGHT Sight(also called eyesight or vision) is one of the senses. Having sight means to be able to see. Seeing gives animals knowledge of the world. ... The ability to interpret visible light information reaching the eyes is called visual perception. Sight is the resulting perception.
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   RETINA  Theretina is an important part of the eye that picks up images as they are in front you. The retina contains two cells which help its function called cones and rods. These cells help you determine color, rods pick up the black and white colors while the cones help you see other colors.  IRIS  The Iris is the most visually appealing part of your eye, it is the colored part that is easily noticeable. The function of the iris is to regulate how much light is allowed into the eye.  LENS  The lens is the small part around the centermost part of the eye. It helps you focus on what is in front of you with the help of light.
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   PUPIL  Thepupil is the centermost part of the eye, which is usually dark. The pupil dilates depending on the amount of light that is present and allows light to travel into your eye. In brighter lite areas pupil is small and in darker areas, it gets bigger.  CORNEA  The cornea is a layer that covers the eyes and is the first part of the eye that comes in contact the light. The function of the cornea is to allow light to pass and ensure it reaches the entire eye so it functions properly.  SCLERA  This is the white area which you can see in the eye. The area that is around the Iris, lens, and  OPTIC NERVE  The optic nerve basically connects the eye to the brain. It transmits messages from what the eye sees to the brain so it can make sense of it.
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  To maintain youreye health and to keep your vision sharp, here are twelve things that should be part of your daily routine.  Avoid rubbing your eyes. ...  Practice frequent hand washing. ...  Protect your eyes from the sun. ...  Stay hydrated. ...  Don't smoke. ...  Keep a balanced diet. ...  Keep proper monitor distance and room lighting.
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  SENSE OF HEARING Hearing,or auditory perception, is the ability to perceive sounds by detecting vibrations, changes in the pressure of the surrounding medium through time, through an organ such as the ear. ... It is one of the traditional five senses; partial or total inability to hear is called hearing loss.
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   The outerear - The outer ear has three sections:  The pinna or auricle: this is the part of the ear on the outside of our heads. The part we usually are referring to when we say ear. It helps to gather sound and vibrations so we can hear more sounds.  The ear canal: This is a tube that helps sound to travel further inside our ear and to get to the next stage of hearing  The eardrum: The eardrum is a thin sheet that vibrates when the sound hits it. Your eardrum is very sensitive and fragile. It's never a good idea to put anything in your ear, even something that seems safe and soft can damage your eardrum.  The middle ear - The middle ear is filled mostly with air and has three bones in it. That's right your ear has little bones called ossicles that help you hear! They are called the hammer (malleus), anvil (incus), and stirrup (stapes). They amplify the sound or make it louder. The middle ear helps to transfer sounds from the air to fluid inside the next stage, or inner ear. The stirrup is the smallest bone in the body.  The inner ear - The inner ear is filled with fluid and has the hearing organ called the cochlea. This organ helps to take the vibrations and translate them into electrical signals for the nerve send to the brain. It actually uses little hairs that vibrate with the sound waves in the fluid. you "hear" it. Amazing! The inner ear also has fluid filled tubes that help with your balance.
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  Here are nineeasy ways to protect your ears and your hearing health.  Use earplugs around loud noises. ...  Turn the volume down. ...  Give your ears time to recover. ...  Stop using cotton swabs in your ears. ...  Keep your ears dry. ...  Don’t shout at one’s ear
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  SENSE OF SMELL Theorgan for smelling is the nose. You can smell good and bad odors with your nose. Good odor is pleasant to the nose while bad odor is not The nose helps the tongue with tasting. It can do this because tiny bits of doods are carried by air up into the nose when you eat.
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  Nose care, implementinga routine Don't let dust accumulate in your home. Clean your house regularly. Maintain proper humidity levels in your home. Do not blow your nose too hard. Do not rub your nose if you have colds. Avoid smoking or inhaling second-hand smoke.
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  SENSE OF TASTE Thetongue is for tasting but it helps you speak and sing. The tongue helps us taste foods. The tongue helps us determine changes in taste
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  SENSE OF TOUCH Touchis one of the five main senses that animals have. It can be called the sense of body or the sense of touch. The system also has internal sensory receptors, and includes sensing temperature and pain. ... This is called the sense of touch. The process of touching something may be called feeling.