Earthworm Disection Anatomy Structure and Function

Pharynx, Muscular organ that sucks in soil and organic matter for ingestion

What organ is this and what is it's function?

Esophagus, Passage connecting pharynx to crop; contains calciferous glands that help regulate calcium levels in the earthworm

What organ is this and what is its function?

Aortic Arches, Pairs of muscular blood vessels that act as "hearts," pumping blood throughout the body

What organ is this and what is its function?

Crop, Thin-walled storage area where food is temporarily held before entering the gizzard

What organ is this and what is it's function?

Gizzard, Thick-walled, muscular organ that grinds ingested soil and organic matter using swallowed stones

What organ is this and what is its function?

Intestine, Long tube where most digestion and absorption of nutrients occurs; contains enzymes and has a large surface area for absorption

What organ is this and what is it's function?

Seminal Vesicles, Store sperm produced by the earthworm until mating.

What organ is this and what is its function?

Seminal Receptacles, Store sperm received from another earthworm during mating.

What organ is this and what is its function?