The sense organ that feels the touch, the cold and the hotness is known as

  • ear
  • skin
  • eye
  • taste

Any change that causes an organism to react is known as

  • stimulus
  • sensor
  • reflex
  • sense

To correct the dizziness of the eye, people wear

  • hats
  • goggles
  • glasses
  • binocular

The layer present between the retina and sclera is known as

  • choroid
  • cornea
  • pupil
  • retina

The front part of the eye is called

  • retina
  • iris
  • cornea
  • pupil

The function of skin is to

  • protects us from microbes and the elements
  • helps regulate body temperature
  • permits the sensations of touch
  • all of them

The organ that helps purify air and take it in is

  • nose
  • tongue
  • eyes
  • palate

The organs that build sense of balance are known as

  • respiratory system
  • auditory system
  • vestibular system
  • digestive system

The nose is the organ that helps us to distinguish between

  • temperature
  • views
  • tastes
  • smells

The sense of touch on the skin is composed of

  • two layers
  • four layers
  • three layers
  • five layers

Sclerotic is also known as

  • yellow spot
  • sclera
  • cornea
  • pupil

The layer that contains highly specified nerve cells and forms a three-dimensional image is known as

  • lens
  • ciliary muscle
  • cornea
  • retina

The ability to maintain a constant movement without falling is known as

  • equilibrium
  • balance
  • static
  • movement

Short-sighted people are treated by using

  • medicine
  • concave lens
  • convex lens
  • lens

The average area of skin on a human body is

  • 1.8 sq. meters
  • 1.4 sq. meters
  • 1.6 sq. meters
  • 1.2 sq. meters

People with long-sightedness are treated by using

  • concave lens
  • convex lens
  • lens
  • none of them

The outer protective covering of human body is known as

  • receptor
  • skin
  • layer
  • sensory cell

The inner lining at the back of the eye is known as

  • retina
  • iris
  • lens
  • cornea

The image cast on our retinas is

  • three-dimensional
  • two-dimensional
  • four-dimensional
  • three dimensional

The apparatus in the inner ear is compose of vestibular shell and

  • two semi-circular canals
  • four semi-circular canals
  • three semi-circular canals
  • circular canal
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