Muscles Student activity Play

Muscles affecting the veins Whiteboard exercise Play

Muscles and the skeleton Student activity Play

Muscles work antagonistically Whiteboard exercise Play

Negative effects of doping on the circulatory system Slideshow Play

Negative feedback mechanism Illustration Play

Nematodes Student activity Play

Nematodes Whiteboard exercise Play

Nematodes (phylum Nematoda) Student activity Play

Nuclear radiation and live organisms Illustration Play

Nuclear radiation and live organisms Student activity Play

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

Opposing actions of the divisions of the ANS Animation Play

Organism's adaptation to long-time effort Slideshow Play

Organs and tissues that store glycogen Slideshow Play

Oxygen debt Animation Play

Oxygen debt in sportsmen Whiteboard exercise Play

Period of puberty Slideshow Play

Physical effort and circulation Whiteboard exercise Play

Physical effort and circulation Student activity Play

Physical effort and our body Whiteboard exercise Play

Physical effort and our body Student activity Play

Physical effort and the heart Student activity Play

Physiology of muscle contractions Whiteboard presentation Play

Physiology of muscle contractions Class activity Play