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The lesson introduces you to our innate and learnt reflexes.
This lesson presents the anatomy of the eye, the mechanism of vision, and common vision...
Smoking severely damages the respiratory system, it may cause COPD or lung cancer.
Glands of the endocrine system secrete hormones into the blood.
This animation demonstrates how muscles and vertebrae move the head.
Levels of biological organization from the level of the individual organism to the level...
Human bones are joined together by cartilaginous or synovial joints, sutures or they can...
In this lesson you will learn about the basics of speech perception and language acquisition.