What are the main resistance vessels of the circulatory system?

Lab 11 The Circulatory System BIO202L

Student Name: Click here to enter text.

Access Code (located on the lid of your lab kit): Click here to enter text.

Pre-Lab Questions:

”1. Describe the pathway of blood traveling through the closed system of the circulatory system starting with the right atrium.”

Click here to enter text.

Alternatively, you may also draw a map of blood traveling through the closed circulatory system and insert it below

 

 

 

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

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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. ”

A- Click here to enter text.

B- Click here to enter text.

C- Click here to enter text.

D- Click here to enter text.

E- Click here to enter text.

F- Click here to enter text.

G- Click here to enter text.

 

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

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”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. ”

Vessel Direction State of Blood
Artery Click hear to enter text.  
Arteriole    
Pulmonary Artery    
Capillary Click hear to enter text. Click hear to enter text.
Venule Click hear to enter text. Click hear to enter text.
Vein Click hear to enter text. Click hear to enter text.
Pulmonary Vein Click hear to enter text. Click hear to enter text.

 

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

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

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Experiment 2: Virtual Model – The Circulatory System

Insert screenshot of the descending aorta:

 

 

Insert screenshot of the brachial veins:

 

Insert screenshot of the femoral artery:

 

 

Post-Lab Questions

”1. In what body region does the aorta originate? ”

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

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

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

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

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Experiment 3: Blood Pressure

Table 2: Blood Pressure and Pulse Readings

Activity Blood Pressure (Systolic/Diastolic; mmHg) Pulse (beats/minute)
Basal (Normal) Click here to enter text. Click here to enter text.
Lying Down Click here to enter text. Click here to enter text.
After Exercise Click here to enter text. Click here to enter text.

 

Post-Lab Questions

”1. What is systolic pressure? Diastolic pressure? ”

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”2. Why is pressure a sensible reading to measure circulatory health? ”

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”3. Explain the “lub-dub” sounds of the heartbeat. ”

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”4. Why do blood pressure and heart rate change after exercise? ”

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”5. How might the results in Table 2 change if someone else preformed the activities? Why? ”

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”6. Why is it important for blood to flow in only one direction? ”

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Experiment 4: Fetal Pig Dissection: The Circulatory System

Post-Lab Questions

”1. What is the process that is responsible for moving molecules from an area of high concentration to an area of low concentration? In what part of the circulatory system does this happen? ”

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”2. What observations did you make about the fetal pig’s circulatory system? ”

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”Insert photo of your pig’s exposed heart, aorta, and jugular vein with your name and access code handwritten clearly in the background: “

 

 

 

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Lab

1

1

 

The

Circulatory

 

System

 

BIO20

2

L

 

 

Student Name:

Click here to enter text.

 

 

Access

 

Code (located on the lid of your lab kit):

 

Click here to enter text.

 

Pre

Lab Questions:

 

1. Describe the pathway of blood traveling through the closed system of the circulatory system

starting

with the right atrium.

 

Click here to enter text.

 

Alternatively, you may also draw a map of blood traveling through the closed circulatory

system and

insert it below

 

 

 

 

2. What are the main resistance vessels of the circulatory sy

stem? How are they controlled?

 

 

 

Click here to enter text.

 

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.

 

 

Lab 11 The Circulatory System BIO202L

 

Student Name: Click here to enter text.

Access Code (located on the lid of your lab kit): Click here to enter text.

Pre-Lab Questions:

”1. Describe the pathway of blood traveling through the closed system of the circulatory system starting

with the right atrium.”

Click here to enter text.

Alternatively, you may also draw a map of blood traveling through the closed circulatory system and

insert it below

 

 

 

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

Click here to enter text.

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. ”

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