ANATOMY

• ANATOMY OF GILLS?

  have four layers of gills on both sides of head
• WHAT ARE GILLS MADE UP OF?

  stacks of gill filaments
• WHAT ARE EACH GILL FILAMENT COVERED IN?

  gill lamellae (at right angles to filament)
• WHAT DOES THE FISH'S GILL ANATOMY PROVIDE?

  large SA
• WHAT IS THE MOVEMENT OF WATER IN A FISH?

  fish opens mouth, causing water to rush in over gills then passes out through a hole on the side of the fish's head