What are the organs of a pig?

Stomach, spleen, bile duct system, small intestines, kidneys, bladder, etc. – the remainder of the abdominal organs found in the fetal pig are basically the same as found in humans. Thymus – the thymus is found in the same areas in pigs as in humans. However, it is much larger than most students1 expect.

What is the function of the diaphragm in a fetal pig?

The action of breathing is a muscular operation, the muscles involved are: the diaphragm which separates the thoracic from the abdominal cavity, and the intercostal muscles found between the ribs (bone). These muscles, when contracted, increase the thoracic cavity size during inhalation to allow for the air to rush in.

Where do fetal pigs come from for dissection?

Fetal pigs used in dissection are cut from the bodies of their mothers, who are killed in slaughterhouses so people can eat their flesh.

What are the three parts of the small intestine in a fetal pig?

These secretions contain enzymes that are vital to the digestion of fats, carbohydrates, and proteins. Most food nutrients are absorbed in the second and third parts of the small intestine, called the jejunum and the ileum. Undigested nutrients and secretions pass on to the large intestine through the ileocecal valve.

What holds internal organs in place in a pig?

mesentery
It is held in place by tissue called mesentery.

What is the function of the peritoneum in a fetal pig?

The abdominal cavity contains a protective layering that is known as the peritoneum. Its primary function is to protect the organs that are within that specific area and contain fluid to allow free flow of movement between organs.

What is the function of the lungs in the fetal pig?

The lungs have the responsibilty of removing carbon dioxide and adding oxygen to blood that will then be distributed back to the body through the capillaries. Pig lungs have multiple lobes, or subdivisions, on either side.

Why is dissection useful?

Dissection is also important because it: Helps students learn about the internal structures of animals. Helps students learn how the tissues and organs are interrelated. Gives students an appreciation of the complexity of organisms in a hands-on learning environment.

What is the function of the pig’s Vibrissae explain completely?

Many mammals have sensory facial hairs called vibrissae; however, our pigs do not possess these yet. They are evident once a pig reaches maturity. They help organisms feel their way around in the dark. Vibrissae of dogs and cats are commonly called whiskers.

How are dissection animals euthanized?

Fur farms. Minks and other wild animals raised for their fur are usually kept in small cages until they are gassed, electrocuted, or poisoned and then skinned. Their bodies are then embalmed (injected with chemicals to be preserved) and shipped to schools. Animals used for fur are sometimes skinned while still alive.

Why is the fetal pig a good specimen to dissect?

The fetal pig is a mammal,like humans. Nearly all major structures are the same or similar in anatomy.

What is the body plan of a fetal pig?

The pig in the first photograph below is laying on its dorsal side. Ventral is the belly side. It is opposite the dorsal side. The pig in the first photograph below has its ventral side up. External Structures. Obtain a fetal pig and identify the structures listed in the first photograph. Use the photographs below to identify its sex.

Where is the appendix in fetal pig?

Inexpensive

What tissue makes up the skin of fetal pig?

Histology & Anatomy of Fetal Pig. Epithellal Tissues line or cover the surfaces of the body and hollow organs. It is rare to get a slide with just epithelial tissue on it, so focus on the outermost layer. Squamous epithelium is comprised of thin, flatcells that adhere to one another tightly to form sheets. Function: passive transport of gases