Sound localization

Sound localization is an important element in orientation. A sound reaches the ear closest to it first.

Related extras

The change in respiratory rate during exercise

Through mild physical exercise, even a trained body doubles the number of breaths it takes...

The pupillary light reflex

In strong light the pupil contracts, while in low light it dilates.

Studying adsorption

Purifying a solution colored with fuchsine dye with finely ground activated carbon granules and...

The patellar reflex

When the patellar ligament is lightly tapped, the extensor muscle stretches slightly.

Making a tissue sample

Examination of the cells and stomas on the epidermis of a pelargonium at 100x magnification.

Modelling protein digestion in the stomach

Let’s simulate protein digestion in the stomach using a mixture of hydrochloric acid and pepsin.

Preparing a tissue sample from an onion

Examination of long, rectangular onion epidermal cells under the microscope at 100x magnification.

What are lichens made of?

A combination of fungal hyphae and algal cells viewed under a light microscope at a hundred...

Added to your cart.