Earthworm anatomy and function

Clitellum function

Reproduction, secret fluid used to have an egg

Integument function

Gas exchange, protection, and locomotion (thin outside layer of skin on the earthworm)

Mouth function

Intake of food (the mouth is closer to the clitellum) 

Anus function

Excretes waste

Setae function

bristle-like hairs which is locomotion, prevents slipping, and helps grip

Pharynx function

Suctions food into worms mouth

Esophagus function

food intake and absorbs nutrients

Crop function

Stores food

Gizzard function

Grinds up food

How many hearts and functions

5 and pumps blood through closed circulatory system

Dorsal blood vessel function

Pumps blood from anterior to the posterior end of the body 

Body wall function

Respiration, locomotion, protection senory input

Coelom function

Support and movement

Intestine function

Digest food and absourbs nutrients

Typhlosole function

increases surface area for more efficient nutrient absorption 

Ventral nerve cord function

Coordinates movement and reponse to stimuli

Seminal vesicles function

produce and store sperm, male

Seminal receptacles function

Stores sperm after copulation, female