Today we started by reviewing Nikki's homework. She did an excellent job of the diagrams of the bird's heart and major vessels. For the digestive system of the bird, she beautifully illustrated the differences she found between the human and avian digestive systems. Definitely A work!
Next we picked up where we left off with the circulatory system. We talked about how the vessels become smaller and smaller until the level of the capillaries where gas and nutrients exchange occurs at the different organs. And of course, we illustrated how the capillaries then joined into larger and larger vessels to return to the heart for another pump around the body.
The next organ system we decided to focus on was the nervous system. We started with the brain and discussed the different lobes of the brain and how they have different functions. We talked about the cerebral cortex being the control center of the brain and learned the meaning of "homunculus."