Vertebrates
Musculoskeletal
Digestive/
Excretory
Circulatory/
Respiratory
Nervous
100

These are specialized structures used to cover a bird's skin.

What are feathers?

100

This muscle allows leg extension.

What is quadricep?

100

This is the body's largest organ.

What is skin?

100

This blood vessel carries blood away from the heart.

What is an artery?

100

This includes the brain and spinal cord.

What is the CNS?

200

Reptiles are born out of these structures.

What are leathery eggs?

200

This produces red and white blood cells.

What is bone marrow?

200

The liver filters this specialized body fluid.

What is blood?

200

These tiny hairs line the trachea and nose.

What are cilia?

200

This part of the nervous system is protected by the spinal column.

What is the spinal cord?

300

This tailed amphibian has smooth skin.

What is a salamander?

300
This is another name for cardiac muscle cells.

What is myocardium?

300

These tubes carries urine from the kidneys to bladder.

What are ureters?

300

This part of the heart receives oxygenated blood from the lungs.

What is the left atrium?

300

This structure is responsible for speeding up/ slowing down your heart rate.

What is the brain stem?

400

This process allows fish to get oxygen across their gills.

What is "gulping" water?

400

This bone is connected to the humerus by the scapula.

What is clavicle?

400

This part of the digestive system begins working before food even touches your mouth.

What are salivary glands?

400

These blood vessels are the sites of gas exchange throughout the body

What are capillaries?
400

What part of the nervous system tells your brain when you stub your toe?

What are nerves?

500

This term is used to describe the thermoregulation of birds and mammals.

What is endothermic?
500

This type of muscle makes up the digestive system.

What is smooth muscle?

500

These substances are produced from the pancreas to aid in digestion.

What are enzymes?

500

The diaphragm does this when you exhale.

What is relaxation OR what is moving upward?

500

This part of the brain is very active when a gymnast is trying to stay on a balance beam.

What is the cerebellum?