Procedure #1:
1. a) Estimate and record the age of fetal pig.
- Approximately 112 days old (Length: 27.5cm)
3. b) What’s the function of the umbilical cord?
- The umbilical cord takes oxygen and nutrient rich blood from the mother, through the placenta, to the fetus. It also helps to excrete wastes and oxygen depleted blood out into the placenta.
4. c) What is the sex of your pig?
- Female Pig
5. d) Indicate the position and the number of toes.
- There are four toes on each foot and they are positioned forward.
10. e) How many lobes does the liver have?
- There are five lobes of the liver in the fetal pig.
f) Describe the location of the gallbladder.
- The gallbladder is located under the main right lobe of the liver.
12. g) Describe the appearance of the pancreas.
- The pancreas was a pale white/ pinkish colour with egg-like projections.
14. h) Describe the appearance of the inner lining of the stomach.
- The inner lining of the stomach was a dark brownish-green with small folds of skin-like projections for stretching (rugae). There were also two tight sphincters.
Procedure #2:
1. a) What organs are found in the thoracic cavity?
- The heart, the lungs, and the thymus gland are found in the thoracic cavity.
5 b) Compare the size of the walls to a ventricles with that of an atrium.
-The ventricles walls are a lot thicker in order to pump blood to other areas.
c) Why does the left ventricle contain more muscle than the right ventricle?
-This is so that blood can be pumped to the rest of the body through the aorta.
d) Why do the lungs feel spongy?
- In order to stretch and hold more air in a greater space.
e) Describe what happens
-The Trachea pushes back.
f) What functions do the cartilaginous rings of the trachea serve?
-The cartilaginous rings provide support and keep it open for easy air passage.
g) Describe the shape and color of the kidneys.
The shape is like a kidney bean, the color is pale yellowish, similar to the rest of the pig.
No comments:
Post a Comment