30.3 The Digestive System – We learned the role of the mouth, esophagus, small intestine, and large intestine in digestion. We investigated the structure of the small intestine and how it’s folded surface and fingerlike projections provide an enormous surface area for absorption of nutrient molecules. We discovered how nutrients are absorbed and wastes eliminated.
Assignment: Complete Packet A Lesson 30.3.
30.4 The Excretory system – We learned how our human body gets rid of wastes. We discovered how the kidneys maintain homeostasis by cleansing our blood. We learned how the organs of excretion operate.
Assignment: Work on Packet A Lesson 30.4.