Human Torso, Unisex, 12 parts

Quick Answer: The human torso, unisex, 12 parts, is a head-and-trunk anatomy model whose outer shell and internal organs separate into 12 pieces. A 12 part unisex torso is used in school biology and introductory nursing to show where the main chest and abdominal organs lie and how they fit together.

What Unisex Means Here

Model makers use the word unisex in two ways. For some it means a torso with no genitalia, so a single model suits any class; for others it means a torso supplied with interchangeable male and female genital inserts. The listing title does not say which convention this model follows, so buyers who need reproductive anatomy should settle that point before ordering.

Twelve parts puts the model between the simplest classroom torsos and detailed teaching torsos of twenty or more pieces. A count of this size usually covers the torso body, a head that opens to show half of the brain, the lungs, the heart, the liver, the stomach and the intestines, sometimes with a removable chest or abdominal cover. That is enough for students to take the organs out in order, name them and put them back in the right places within one lesson.

Compared with the 23 part unisex torso in the same range, the 12 part version has fewer, larger pieces, so it goes back together faster and there is less to lose; the higher count of the larger model allows more organs to be split or opened.

Specifications

Where It Fits

• Secondary school lessons on the positions of the heart, lungs, liver, stomach and intestines
• Practical assessments in which students remove, name and replace organs
• Introductory anatomy in nursing, pharmacy and paramedical courses
• Health education on how the diaphragm divides the chest from the abdomen

Looking After the Torso

• Take organs out of the 12 part unisex torso in the reverse order to how they fit, usually from the front surface inwards, and never force a piece that resists.
• Keep a small tray for loose parts during class and count them back before the model is put away.
• Wipe with a lightly damp cloth and a little mild detergent, then dry; do not immerse the pieces.
• Store the torso upright under a dust cover.

Why Choose LabEquip

Schools buying their first dissectible torso often settle on about a dozen parts: enough detail for secondary biology without a long rebuild after every class. The model belongs to LabEquip’s biology lab products. Tell us whether you need genital inserts or a sexless model through the contact page.

Frequently Asked Questions

Does unisex mean the torso has no reproductive organs?

Not always. Some makers use unisex for a sexless torso, while others use it for a torso supplied with both male and female genital inserts. Because the listing does not specify, check this point before placing an order.

What can students learn from a 12 part torso?

They learn the relative positions and sizes of the main internal organs: how the lungs surround the heart, how the liver sits under the right dome of the diaphragm and how the intestines fill the lower abdomen. Removing and replacing the organs fixes this layout in memory.

How is a 12 part torso different from a 23 part torso?

The larger model divides organs further, for example into halves or sections, and may add more structures. The 12 part model has fewer, larger pieces, which suits younger students and shorter lessons.

Is the torso life size?

The listing does not give its height. Classroom torsos range from somewhat under life size to full size: a smaller torso is easier to carry between rooms and store, while a life-size one lets students relate each organ to its place in their own body.

How should the organs be cleaned?

Go over each piece with a cloth wrung out in a weak solution of mild soap, and let it dry before it is refitted. Avoid solvents, which can remove painted detail, and do not soak the parts.

Which organ is usually removed first?

On most torsos the front covering or the lungs come out first, which frees the heart. Abdominal organs such as the stomach and liver follow, with the intestines usually last. Reassembly runs in the reverse order.

Last Updated: September 2026