Optional Bonus Activity for Final Exam

Optional Bonus Activity for Final Exam
BIO 102
25 points total. Points for all correct answers will be added to your total grade as bonus points. Include
question number, original question and your answer and save to the correct file format (same as
worksheets). Complete and submit this to the final exam bonus activity dropbox by Friday of week #8 by
11:59 pm. Late work is not accepted on this activity. NO EXCEPTIONS.
1. Identify all the structures involved in the conduction system of the heart.
SA node
AV node
Bundle of His
Purkinje fibre
Bundle branches
2. What are the two major forces that drive gas exchange at capillaries?
Diffusion
Osmosis
3. Briefly explain the function of the spleen.
It filters blood
It recycles the red blood cells, platelets and white blood cells
It also participate in the immune system
4. Briefly explain how an antibody functions.
It attaches itself onto the antigen such as a pathogen and forms a complex structure
They activate the complement system
5. How does the inflammatory response work?
6. What is the difference in antibody mediated immunity and cell mediated immunity?
Antibody mediated immunity is controlled by the B cells while cell mediated immunity involves the use
of t lymphocytes
7. What is the function of surfactant?