Nerve cells Illustration Play

Nominal and effective rates Animation Play

Not all collisions are effective Student activity Play

Number of bacteria Student activity Play

Opposing action of the two divisions of the autonomic nervous system Whiteboard exercise Play

Opposing action of the two divisions of the autonomic nervous system Student activity Play

Organism's adaptation to long-time effort Slideshow Play

Oxygen intake Slideshow Play

Pancreatic hormones – regulation of metabolic rate Student activity Play

Pancreatic hormones – regulation of metabolic rate Whiteboard exercise Play

Pasteur's experiment – conclusions Whiteboard exercise Play

Phloem – location and growth Student activity Play

Physical effort and our body Whiteboard exercise Play

Pituitary hormone – growth hormone (somatotrophin) Student activity Play

Pituitary hormone – growth hormone (somatotrophin) Whiteboard exercise Play

Plant diseases and their control Student activity Play

Plant growth Student activity Play

Plant growth Whiteboard presentation Play

Plant growth Class activity Play

Plant growth and soil pH Illustration Play

Plant growth in greenhouses Slideshow Play

Population growth Whiteboard exercise Play

Population growth Student activity Play

Positive and negative aspects of sports training Student activity Play

Potential energy diagrams for chemical reactions Student activity Play