Human Sensory Organs - Introduction | Free Online Course | Alison

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Human Sensory Organs - Introduction

Learn about the human sensory organs in this free online certificate course.

Free Course
This free online course on the human sensory organs will teach you all about the different senses that humans experience and how our organs take in that information. It examines our sense of vision and how our eyes capture light as well as our visual reflexes. The course also discusses our sense of hearing, balance, smell and taste, so if you want to learn about how we experience the world around us, make sure to start your learning today!





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Have you ever wondered how we see, hear and smell the world around us? It’s because of specialised organs which have evolved to interpret various stimuli. In this interesting and easy to understand course, you will learn about each of these sensory organs in the human body and the role they play in helping us translate stimuli into information we understand.

The course begins with a look at the sense of vision. It explores how we focus light rays, how the eyes move and our visual reflexes. The course then moves on to explore the sense of hearing, taking a detailed look at the structure of our ears and how sound waves are processed into what we hear by the brain. It also delves into how our ears are vital to our sense of balance.

Finally, the course looks at the senses of smell and taste, exploring how our nose and mouth are structured to produce these sensations. This course is ideal for students who need to learn about biomedical science and medicine, and also those who just want to expand their knowledge and understanding of the human body and its different organs. So check out the course for yourself and improve your understanding of the human body today.

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Learning Outcomes

After completing this course you will be able to: 

  • Identify why there is a need for senses in the human body

  • Identify the differences between general and special senses

  • Describe the structure and functions of the eye

  • Identify the nervous pathways for hearing

  • Describe the structure and functions of the ear

  • Describe the functions of the maculae and the semicircular ducts

  • Describe the process known as “the general body sense”

  • Identify the sensory receptors for the sense of taste and smell

  • Identify the olfactory sensory receptors for the sense of taste and smell


All Alison courses are free to enrol, study and complete. To successfully complete this Certificate course and become an Alison Graduate, you need to achieve 80% or higher in each course assessment. Once you have completed this Certificate course, you have the option to acquire an official Certificate, which is a great way to share your achievement with the world. Your Alison Certificate is:

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