Pollution of the natural environment Slideshow Play

Pollution of the natural environment by humans Student activity Play

Pollution of the natural environment by humans Whiteboard exercise Play

Positive and negative aspects of sports training Student activity Play

Positive aspect of physical effort on human health Slideshow Play

Precision Animation Play

Prismatic binoculars Animation Play

Probable course of human evolution Illustration Play

Process of vision Animation Play

Protection of the civilized environment Student activity Play

Protection of the human body against bacteria Whiteboard exercise Play

Protection of the human body against bacteria Student activity Play

Pupil Whiteboard exercise Play

Pupil Student activity Play

Range of hearing in humans Illustration Play

Reaction of the brain to environmental changes Slideshow Play

Reaction series for the changes undergone by ethanol in the human organism Whiteboard exercise Play

Reflection Class activity Play

Reflection Whiteboard presentation Play

Regulation of the amount of light entering the eye Student activity Play

Regulation of the amount of light entering the eye Simulation Play

Regulation of water balance in human Simulation Play

Reproductive and therapeutic cloning Student activity Play

Retina Student activity Play

Retina Whiteboard exercise Play