AP Biology - Pig Dissection Exercise 30 – Digestive, Respiratory, and Circulatory Systems
Name
Hour
Pre-Lab Questions
Answer choices for these questions are on page 420 in your lab book. Complete each statement using the correct
answer choice.
1.
The two major body cavities of a fetal pig are the
2.
The diaphragm is a muscular sheet of tissue that separates the
3.
The digestive system is concerned with
4.
The liver functions to
5.
A vein is a blood vessel that always carries
6.
As a general rule, the small intestine of a pig or human is
7.
In humans, the front of the larynx is commonly referred to as the
8.
The microscopic air sacs or alveoli are the sites where blood
9.
The hearts of a fetal pig and a human are similar in that they are
10.
The cardiac, pyloric and ileocecal sphincters are all part of the
You must be able to identify the following organs:
Digestive
Respiratory
Circulatory
Esophagus
Larynx
Heart
Stomach
Trachea
*R/L Atria
Small intestine
Bronchi
*R/L Ventricles
Large intestine
Lungs
*Coronary Artery
Diaphragm
*pericardium
Aorta
*arch
*dorsal
Vena Cava
Glands
Liver
Gall Bladder
Pancreas
Spleen
Thyroid
Thymus
Excretory
Kidneys
Urinary Bladder
Pig Dissection – Exercise 30
Post-Lab questions
Refer to page 421 in your lab book for diagrams
1.
What are the two major ventral body cavities?
2.
What is the digestive tract?
3.
What is the difference in the structure and function of the trachea and esophagus?
4.
What is the function of the villi in the small intestine?
5.
Identify the following structures
a.
e.
b.
f.
c.
g.
d.
h.
6.
What is the difference between the pulmonary and the systemic circuits of the circulatory system?
7.
What is the foramen ovale?
8.
With regard to blood circulation, what is the difference between and artery and a vein?
9.
Briefly describe the function of a portal vein system (for example, the hepatic portal vein).