A human as the intermediate host Slideshow Play

Adaptations of organisms to the environment Class activity Play

Adaptations of organisms to the environment Whiteboard presentation Play

Age-related changes in the efficiency of internal organ systems Simulation Play

Annelids Student activity Play

Arthropods Student activity Play

Birds Student activity Play

Blood as a life-saving medicine Slideshow Play

Blood pressure regulation Animation Play

Blood vessels – summary Student activity Play

Blood vessels – summary Whiteboard exercise Play

Cell specialization Class activity Play

Cell specialization Whiteboard presentation Play

Cells – tissues – organs – systems Student activity Play

Characteristic organ systems of platyhelminths Whiteboard exercise Play

Characteristics of birds Slideshow Play

Characteristics of vertebrates Student activity Play

Different methods of internal fertilization Animation Play

Differentiated cells – erythrocytes Student activity Play

Erythrocyte – a cell specialized for oxygen transport Slideshow Play

Geotropism – a movement of plant organs brought about by gravity Student activity Play

Human organ systems Whiteboard presentation Play

Human organ systems Class activity Play

Internal structure of vertebrates Slideshow Play

Kidney – main organ of the human excretory system Illustration Play