What is the respiratory system of a fetal pig?

What is the respiratory system of a fetal pig?

Air from the oral and nasal passages enters the lungs via the trachea which branches into two bronchi as it enters the lungs. The bronchi branch further inside the lungs becoming bronchioles which terminate at alveoli, clusters of air sacs where oxygen and carbon dioxide are exchanged with tiny blood vessels.

What’s the primary function of the respiratory system fetal pig?

Whats the primary function of the Respiratory System? allow lungs to take oxygen and dispose of waste products through inhaling and exhaling. an active motion causing the diaphragm to contract.

What does the respiratory system do in a 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.

Does the diaphragm function in a fetal pig?

The diaphragm isn’t used by the fetal pig because gas exchange occurs through the umbilical cord. The diaphragm in adult pigs moves up and down changing air pressure in the chest cavity causing air to move into and out of the lungs.

What is the function of the larynx in a pig?

The larynx (or voice box) is a large hollow structure located at the anterior end of the trachea. Passage of air over vibrating cords of elastic tissue within the larynx produces sound and vocalizations.

What is another name for the belly region of a pig?

Ventral is the belly side. It is opposite the dorsal side. The pig in figure 1 below has its ventral side up.

What are three differences between the anatomy of a human and fetal pig?

Pigs have all of the same thoracic and abdominal organs as humans. There are small differences in a few organs. Liver – the human liver has four lobes: right, left, caudate and quadrate. The fetal pig liver has five lobes: right lateral, right central, left central, left lateral, and caudate.

What is the function of the umbilical cord in a pig?

The umbilical cord is a tube-like structure that connects a fetus to the mother’s placenta, providing oxygen and nutrient-rich blood and removing waste.

Are fetal pig eyes developed?

A flap of skin helps to close this opening when the pig swallows. Does the eyelid of a fetal pig seem well developed? No.

What is the function of the pericardium in a pig?

The pericardium is a membrane that surrounds the heart and lines the pericardial cavity. It contains a lubricating fluid and isolates the heart from body movements such as the expansion and contraction of the nearby pleural (lung) cavity.

What does the esophagus do in a fetal pig?

How to dissect a fetal pig. The esophagus (outlined in blue) is a muscular tube connected from the pharynx to the cardiac sphincter of the stomach, propelling food to the stomach. The muscle allows for the esophagus to undergo peristalsis , which will move the food to the stomach in slow squeezing waves.

How many lungs does a fetal pig have?

According to the State University of New York, a fetal pig has a total of seven lung lobes. The right lung is larger and is divided into four lobes: the apical, cardiac, diaphragmatic and intermediate. The left lung has three lobes because it does not have an intermediate lobe.

What is the respiratory system of a pig?

The respiratory system of the pig commences at the nostrils which lead into two nasal passages. These contain the dorsal and ventral turbinate bones.