Animal cells Student activity Play

Animal cells under a microscope Slideshow Play

Antibiotics and chemotherapeutics – action and classification Student activity Play

Antigen-presenting cell Animation Play

Apical and lateral meristems Student activity Play

Apoptosis Animation Play

Application of electric motors Student activity Play

Application of radioactive isotopes Student activity Play

Applications of voltaic cells Whiteboard exercise Play

Areas of geometric figures Student activity Play

Arranging metals according to their increasing reducing power Simulation Play

Arranging metals according to their increasing reducing power Student activity Play

Arteries and the pulse Student activity Play

Arterioles and capillaries Student activity Play

Asymmetry of the epithelial cell Slideshow Play

ATP – a transporter of energy in a cell Slideshow Play

ATP – the main source of energy in a cell Animation Play

Automatism of the heart Whiteboard exercise Play

Bacteria Student activity Play

Bacterial cell walls Slideshow Play

Bacterial cell walls and Gram-staining Illustration Play

Bacteriophages – bacterial viruses Slideshow Play

Basic components of each living cell Illustration Play

Batteries in electric devices Animation Play

Blood cells Whiteboard exercise Play