band six Research Newspaper

THE UNIVERSE THROUGH OUR SENSES

Physical organs enable a living affected person to find and reply to changes in the environment The human detects, sensory internal organs and stimuli are detailed;

SENSE

SENSORY ORGANS

STIMULI

TOUCH

SKIN AREA

TOUCH, PRESSURE, PAIN, HEAT, COLD

SMELL

NOSE

CHEMICAL SUBSTANCES

HEARING

EARS

SOUND

PREFERENCE

TONGUE

CHEMICAL COMPOUNDS

SIGHT

EYE

LIGHT

RESPOND TO STIMULI

When a sensory organ picks up a incitement, information in the form of nerve urges, is brought to the brain The brain interprets the information and a suitable response is definitely produced by effectors The pathway of nerve impulses from stimulus to response;

Effectors are parts of the body that accomplish responses to stimuli. Examples of effectors will be muscles and glands LIMITATIONS OF SIGHT

-OPTICAL FALSE IMPRESSION

An optical optical illusion occurs when the human brain incorrectly expresses images The that is viewed different from some of the object

In optical confusion, impulses see the brain will be disturbed. These disturbances might be caused by the thing itself or perhaps by circumstances surrounding the thing Both the arrows are of the identical length. Yet , arrow A appears to be shorter

-BLIND PLACE

The blind spot is usually an area for the retina which will cannot find images since there are no mild receptors right now there The blind spot can easily be recognized in one attention at a time

To show the existence of the blind spot, hold a card designated with a circle and triangle about your five cm separate on it. Close your left eye and appearance at the ring with the right eye when you slowly and gradually bring the greeting card near your face. The triangle will disappear at a particular distance. This happens because the image of the triangle forms on the blind location. 5 cm

STEREOSCOPIC AND MONOCULAR EYESIGHT

Compares stereoscopic and monocular vision;

FACTOR

STEREOSCOPIC EYE-SIGHT

MONOCULAR VISION

AREA OF EYE

BOTH EYES AT THE FRONT END OF THE MIND

EYES AT THE SIDES OF THE HEAD

SCALE VISUAL DISCIPLINE

SMALL

WIDE

POSITIVE ASPECTS

-THREE DIMENSIONAL PHOTOS FORMED

-DISTANCES CAN BE ACCURATELY APPROXIMATED

-ABLE TO DETECT PREDETORS FROM ALL DIRECTIONS

EXAMPLES OF PETS OR ANIMALS

HUMAN BEINGS AND PREDETORS JUST LIKE MOST FLESH EATERS, EAGLES AND TIGER FOOD SUCH AS MOST HERBIVORES, DEER, RABBITS, FOWL AND SEAFOOD

Devices that overcome the constraints of look

Lists a lot of devices that help us to get over the limitations of sight;

CONSTRAINT OF LOOK

DEVICES

STRUGGLING TO SEE THROUGH THINGS THAT ARE NOT TRANSLUCENT

X-RAY MACHINE, ULTRASOUND SCANNING DEVICE

NOT ABLE TO SEE THINGS THAT ARE VERY SMALL

MAGNIFYING GLASS, MICROSCOPE

STRUGGLING TO SEE THINGS THAT ARE VERY FAR AWAY

BINOCULARS, TELESCOPE

UNABLE TO OBSERVE AROUND CORNERS

PERISCOPE

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