Tag: Sense Organs Grade 4

Ways each Sense Organ Detects Stimuli from the Environment

The Nose The nose detects scents by very small receptors which are present in olfactory epithelium in the nasal cavity. The receptors are sensitive to odour molecules that travel through the air. Many different receptors have the ability to sense different odours. One particular odour however can stimulate many different receptors, and it is the…...

Sense Organs, their Functions and Importance

There are five sense organs. The eyes, ears, nose, skin and tongue. They help to protect the body by relaying information to the central nervous system via nerves which get the information from receptors that these sense organs have. THE EYE They eyes are for sight. With them we are able to see the world around…...

The Human Skin – Worksheet, 20 questions

1. The skin is the largest organ in your body. a. True b. False 2. Identify two things that the epidermis does. a.It protects the layers beneath it. b. It lets water in. c. It keeps bacteria out of your body. d. It produces fat cells. 3. The difference in skin color is due to:…...

Caring for Your Amazing Eyes By Phyllis Naegeli

1     Close your eyes for a moment and imagine that you cannot see. Now open them and look around you. Isn’t it wonderful that you have the sense of sight? Some people are born blind; others have lost this sense. In order to prevent blindness, it is important to protect your eyes. Let’s look at some…...