Monday, March 27, 2017

Human Body: Nervous System

What a bunch of BRAINiacs!



This sheep brain includes the cerebrum, cerebellum, and brain stem!





Monday, March 20, 2017

Human Body: Circulatory System

Making Blood...
  • Start with plasma (represented by yellow food coloring + water)
  • Add red blood cells (cheerios soaked in red food coloring + water)
  • Notice what happened to the color of blood!
  • Add white blood cells (white marshmellows)
  • Add platelets (tiny pieces of a peppermint marshmellow)
  • Notice how sticky the platelets are!







Pig Heart Dissection...

The heart is made up of cardiac tissue. We looked at the structure of the heart: right atrium, left atrium, right ventricle, left ventricle, aorta, and vena cava. We also discussed the function of the heart and the function of valves in the heart.












Heart Rate Lab:


Monday, March 13, 2017

Human Body: Digestive System

Did you know that the whole digestive tract can measure 914 cm when stretched out!?











Digestion in the Stomach:

Test Tube 1: Pepsin
Test Tube 2: Hydrochloric Acid
Test Tube 3: Gastric Juices (Pepsin + Hydrochloric Acid)

Egg whites were placed in all three test tubes. 
Test tubes were heated to body temperature, 37 degrees Celsius.