Sound localisation is an important element in orientation. A sound reaches the ear closest to it first.
Examination of the cells and stomas on the epidermis of a pelargonium at 100x magnification.
Through mild physical exercise, even a trained body doubles the number of breaths it takes...
Don’t smoke! This video demonstrates what happens in the lungs when a person smokes.
In strong light the pupil contracts, while in low light it dilates.
Demonstrating a method to determine where exactly the blind spot is in our visual field.
Examination of long, rectangular onion epidermal cells under the microscope at 100x magnification.
A combination of fungal hyphae and algal cells viewed under a light microscope at a hundred...
Let’s simulate protein digestion in the stomach using a mixture of hydrochloric acid and pepsin.