Lab 11 The Circulatory System

Pre-Lab Questions:
”1. Describe the pathway of blood traveling through the closed system of the circulatory system starting
with the right atrium.”

2. What are the main resistance vessels of the circulatory system? How are they controlled?

Experiment 1: Microscopic Examination of Blood Vessels
Post-Lab Questions
”1. Label each of the items in the following slide pictures based on your observations. ”

2. What differences did you observe in the structure of an artery versus the structure of a vein? ”

”3. Explain the direction of blood flow and the type of blood (oxygenated or deoxygenated) found in
each vessel in the pulmonary and systemic circuits.

  1. Which vessels allow diffusion of oxygen and nutrients across their cell layers? ”

    ”5. List the vessels in order of ascending pressure within the circulatory system. ”

Experiment 2: Virtual Model – The Circulatory System

Post-Lab Questions
”1. In what body region does the aorta originate? ”

”2. What organ does the renal artery supply?”

”3. What branch of the external carotid artery supplies the chin/jaw region with blood?

  1. Is the common iliac artery anterior or posterior to the common iliac vein?

    ”5. What is the name of the artery in the pelvic region that directly feeds into the femoral artery?