The cecum is part of the digestive system of a rabbit, not a chicken.

The crop is a temporary storage site for food in a chicken.

The gizzard is a muscular organ that grinds food in a chicken.

The proventriculus is responsible for the initial digestion of food in a chicken.

The small intestine is responsible for the absorption of nutrients in a chicken.

The cecum is responsible for the excretion of waste in a chicken.

Bronchi are part of the respiratory system of mammals, not chickens.

The lungs are responsible for gas exchange in a chicken.

The skin is responsible for the regulation of body temperature in a chicken.

The air sacs are responsible for the regulation of body temperature in a chicken.

Lungs are part of the respiratory system, not the circulatory system.

The heart is responsible for pumping blood in a chicken.

Blood vessels are responsible for the regulation of blood pressure in a chicken.

The kidneys are responsible for the excretion of waste in a chicken.

Muscles are part of the muscular system, not the nervous system.