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The trachea, heart, lungs, bronchial tubes, thyroid gland, and the larynx are found in the cavity of a fetal pig.
The auditory tubes mark the opening of the nasopharynx in the fetal pig. The purpose of these tubes is the beginning of development for the ears.
compare the relative lengths and paths of the uterine tubes of the fetal pig and in the human
When the lungs do not function the backup respiratory system takes over the function of the lungs. This is true in a fetal pig.
smoothe
rib cage
Trachea
A fetal pig's lungs are similar to an adult's in the interior. The difference is that it is much smaller.
The uterine tubes in fetal pigs are in the same location as they are in humans. However, the size of uterine tubes in humans is much larger.
A fetal pig's lungs are collapsed because they are filled with fluid while in the uterus. This allows for easier passage through the birth canal and prevents the lungs from being damaged during development. Once the pig is born and takes its first breath, the lungs expand and fill with air.
They Have Four Lobes
Fetal lungs are not functioning; no organism can start to breathe while immersed in amniotic fluid. Lungs only begin to function at birth.