BIOLOGY 20
TERM 3
Mammalian Heart
Dissection Lab Report
COCHRANE
HIGH
SCHOOL
H UM A N S Y S T E M S
Total: 37 marks
Problem:
Hypothesis:
Variables:
Manipulated Variable:
Responding Variable:
Control Variable:
Materials: (list all the materials used in this experiment)
Procedure: page 766 Examining the Organs of the Circulatory System (write into at
least 6 steps and include diagrams in your procedure)
Observations: Insert a labeled diagram or photo of all your observations.
Analysis Questions: Use complete sentences. Be thorough and insightful.
1.
Trace the path of blood from the right atrium to the aorta. Be sure to name all
blood vessels and heart chambers.
2.
Pulmonary circulation carries blood between the heart and the lungs.
Systemic circulation carries blood to the rest of the body. In what chambers
of the heart does pulmonary circulation begin and end? In what chambers
does systemic circulation begin and end?
3.
4.
5.
What is the function of the septum, atria and ventricles?
What is the function of the AV and semilunar valves?
Why are the walls of the left ventricle different in the thickness compared to
the right ventricle?
Conclusion:
What were you trying to achieve in this lab?
Was your hypothesis proven right or wrong?
How did you go about proving/disproving your hypothesis?
Were there any errors? If not, what new questions does this lab create?
Copyright © 2007, McGraw-Hill Ryerson Limited, a Subsidiary of the McGraw-Hill Companies. All rights reserved.
This page may be reproduced for classroom use by the purchaser of this book without the written permission of the publisher.
BIOLOGY 20
TERM 3
Mammalian Heart
Dissection Lab Report
H UM A N S Y S T E M S
Copyright © 2007, McGraw-Hill Ryerson Limited, a Subsidiary of the McGraw-Hill Companies. All rights reserved.
This page may be reproduced for classroom use by the purchaser of this book without the written permission of the publisher.
COCHRANE
HIGH
SCHOOL
Page 2