No, swine, is very closely related to humans in their vascular makeup. Swine have 4 chambered hearts
The fetal pig has a four-chambered heart and not three-chambered. The chambers are divided between the upper and the lower chambers.
As a mammal, a pig has a four-chambered heart.
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The four-chambered pig heart has two atria (left and right) and two ventricles (left and right).
If you look at the back wall of a fetal pig heart, you will see a vessel that is large in size in a sheep compared to the small size of the fetal pig heart. In sheep, the hemiazygous vein develops a connection to the heart through what becomes the superior vena cava.
In a fetal pig, the urinary bladder is located in the lower ventral abdominal cavity. It is not known what the thickness of the urinary bladder is in a fetal pig.
A four-chambered heart is the most efficient in a pig as it facilitates proper function of the circulatory system. This will help in the pumping of blood to the lungs and to the body without a problem.
The pericardium is the sac-like membrane surrounding the heart in the fetal pig, as well as in humans.
The trachea, heart, lungs, bronchial tubes, thyroid gland, and the larynx are found in the cavity of a fetal pig.
A fetal pig's pericardial cavity is actually located in the heart. In living animals, the pericardial cavity is filled with fluid that acts as a shock absorber to protect the heart from injury.
The heart chamber that the superior and posterior vena cava opens to on a fetal pig is the right atrium. The opening to both vena cava's are valveless.
the rostrum is the snout of a fetal pig