A proof for rapid exchange of hydrogen atoms in hydroxyl groups Slideshow Play

Agglutinogens in the ABO system and blood groups Student activity Play

Blood as a life-saving medicine Slideshow Play

Blood as a medicine Student activity Play

Blood for transfusion Illustration Play

Blood groups and the Rhesus factor Class activity Play

Blood groups and the Rhesus factor Whiteboard presentation Play

Communication – bilateral exchange of information Whiteboard exercise Play

Communication – bilateral exchange of information Student activity Play

Development of the embryo Student activity Play

Development of the embryo Simulation Play

Exchange mechanism in capillaries Animation Play

Exchange of food, oxygen and waste Animation Play

Exchange of heat and temperature Animation Play

Exchange of heat between organisms and their environment Student activity Play

Exchange of heat between organisms and their environment Simulation Play

Exchange of substances with the external environment Animation Play

Gas exchange Student activity Play

Gas exchange Whiteboard exercise Play

Gas exchange between the lungs and blood Animation Play

Gas exchange in an alveolus Animation Play

Gas exchange in humans Animation Play

Gas exchange in plants Slideshow Play

Gas exchange in the alveoli Whiteboard exercise Play

Gas exchange in the alveoli Student activity Play