This document lists inquiry topics for Week 2 being studied by various students. Topics include parts of the digestive system, the small intestine and food absorption, stomata and photosynthesis, parts of the heart and circulatory system, blood composition and function, heart defects, parts of a leaf, plant adaptations, the nervous system, the stomach, how the heart works, parts of a flower, photosynthesis, the 5 senses, growth and development of the human heart, what happens in the mouth, esophagus and stomach, thermoregulation, heart attacks, heart values, the pancreas, nerve cells, and plant roots.