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Circulatory, Respiratory, and Digestive Systems — Homework
Review the heart's double circuit and the digestive pathway before answering.
- 1.Which side of the heart pumps blood to the lungs?
- 2.Name the enzyme that begins starch digestion in the mouth.
- 3.Name the three types of blood vessels and one role of each.
- 4.Explain why alveoli are shaped as millions of tiny sacs instead of one large sac.
- 5.Trace a drop of blood starting from the right side of the heart through the entire double circuit and back again, naming each major structure in order.
🌲 Homeschool of the FutureNinth Grade · Science · week 35 homework