November 15, 2016
BIOS 130 Homework:
1. List the formed elements of blood, and very briefly describe the function of each.
Red blood Cells (erythrocytes) - 99.9%: Transport oxygen bound to hemoglobin
molecules; also, transport small amount of
Chapter 18: Cardiovascular
Why does the heart have valves?
What path does blood take through the heart
How do cardiac muscle fibers differ from skeletal muscles?
Electrical events mechanical events
How is pumping regulated?
Capillaries=exchange of gases
Phases: Vascular spasm causes vasoconstriction and stops flow of blood. Pyrogenic
contraction: if you damage smooth muscle cells, they will contract. In walls of
vessles. If contracts it decreases size of vessel (luman) (thats vasoconstriction.) so
Sophia Elizabeth Arroyo
BIOS 107-01: Monday-1400
24 October 2016
The Effect of Temperature on the Catecholase Enzyme
Enzymes are specialized macromolecules that speed up, or catalyze, chemical reactions. These
biological catalyst alter the ra