In the process of removing the internal organs
a. Heart
i. The heart is a muscular pump that is broken down into 4 chambers; left, right ventricle and left, right atrium. Its function is to receive blood from veins and force them into arteries throughout the body.
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a. Lungs
i. Paired organs in the thoracic cavity that perform respiration, a process in which air enters the blood stream. During each breath, the lungs add fresh oxygen to your blood
b. Diaphragm
i. A large frontal abdominal muscle that helps in the process of breathing. It’s located between the chest and abdomen.
c. Trachea
i. A long, narrow, strong cartilaginous tube lined with cilia that brings air from the throat into the bronchi toward the lungs; “the windpipe.”
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All of the internal organs removed from the pig
a. Stomach
i. A major organ in the digestive system. It’s located between the esophagus and small intestine. It contains gastric juices that break down food particles particularly protein.
b. Small Intestine
i. A long, winding organ located below the liver and connects to the stomach by the jejunum. It completes the process of digestion and also the blood vessels effectively absorb nutrients here.
c. Large Intestine
i. Large in diameter, this organ function in reabsorbing water from digested material and forming solid feces before excretion from the anus. It is found around the small intestines, but in the given picture, you will see it on the pig’s left side.
d. Pancreas
i. A long gland located behind the stomach, its function is to secrete pancreatic juices and release them into the small intestine along with producing insulin and glucagons in the blood.
e. Liver
i. A large reddish brown organ, it sustains homeostasis within the body by balancing glucose and proteins. It also functions as a filter for drugs and produces bile acids. The liver also performs various other functions.
f. Gall Bladder
a. A small greenish oval like sac, it stores bile created by the liver and releases it when needed by the body aid in fat digestion.
g. Salivary glands
a. Secrete enzymes that begin to hydrolyze polysaccharides; first stage of digestion
h. Tongue
a. The fleshy, movable, muscular organ, attached in most vertebrates to the floor of the mouth, that is the principal organ of taste, an aid in chewing and swallowing.
i. Esophagus
a. A muscular tube that is used for the passage of food from the pharynx to the stomach
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a. Brain
i. It is the primary center for the regulation and control of bodily activities, receiving and interpreting sensory impulses, and transmitting information to the muscles and body organs. It is the site of cognition, memory, emotion, and sensation.
ii. Longitudinal fissure
1. Indentation that runs longitudinally between right and left cerebral hemispheres
b. Spinal Cord
i. The thick, pinkish cord of nerve tissue that extends from the medulla oblongata down through the spinal column and from which the spinal nerves branch off to various parts of the body.
c. Corpus Callosum
i. The arched bridge of nervous tissue that connects the two cerebral hemispheres, allowing communication between the right and left sides of the brain.
d. Cerebrum
i. A large round structure of the brain that controls and integrates motor, sensory, and higher mental functions, such as thought, reason, emotion, and memory. Fissures indenting its surface are known as sulci. Gyri are ridges within these surfaces.
e. Cerebellum
i. Located posterior to the cerebrum and inferior to the occipital lobe, this tri-lobed structure is involved in body movement and coordination
f. Medulla Oblongata
i. The lowermost portion of the vertebrate brain, continuous with the spinal cord, responsible for the control of respiration, circulation, and maintaining certain other bodily functions.
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Internal organs still inside the pig
a. Male
i. Scrotum
1. Holds the testes if the pig is in a later stage of development. If the pig is in an earlier stage of development, the testes will be in the abdominal sacs. The scrotum later functions in providing an optimal environment for sperm development.
ii. Epididymis
1. A long convoluted tube that connects the testes with the vas deferens. It is the site where sperm become motile.
iii. Vas Deferens
1. The main duct through which semen is carried from the epididymis to the ejaculatory duct.
iv. Penis
1. The organ of copulation, it also serves as the organ of urinary excretion
b. Female
i. Ovaries
1. Oval shaped structures that produce and hold eggs, the female gametes
ii. Fallopian tubes (oviducts)
1. Connect uterus to the ovaries, it is the site where eggs travel during ovulation and possibly the site of conception.
iii. Uterus
1. A hollow muscular organ located in the pelvic cavity in which the fertilized egg implants and develops.
iv. Vagina
1. The passage leading from the opening of the vulva to the cervix of the uterus.