Pigeon Dissection

What keeps the feather rigid?

• Interlocking Barbs and Hooks

• Adhesive Glue

• Surfactant Oil

• Static Friction

Select all the animals that have a cloaca.

• Pigeons

• Cats

• Earthworms

• Chameleons

• Pythons

Why is the keel in birds so much larger than the sternum of most mammals?

• For the attachment of large flight muscles

• For the protection of internal organs

• For shock absorption in high speed collisions

• For attracting mates

The respiratory capacity of birds is expanded with the use of

• sinuses

• air sacs

• bursa sacs

• digestive openings

What organ attaches the mouth to the lungs?

• lungs

• esophagus

• trachea

• sinuses

What are the larger set of chambers in heart called?

What is the primary function of a crop?

• store food

• grind food

• digest food

• regurgitate food

Why do birds need a gizzard?

• they have no arms

• They have to fly

• They have a large heart

• They have no teeth

Select all body systems the liver is a part of

• Circulatory System

• Digestive System

• Excretory System

• Skeletal Systems

What does the pancreas do?

• produce digestive enzymes

• produces gametes

• produce red and white blood cells

• produce adrenaline