Section 49. the Following Table Summarises What We Have Learnt Up to

the present of the physiology of the Rabbit, considered as a mechanism using up food and oxygen and disengaging energy:--

-Air_ {Nitrogen... returned unchanged.} {Oxygen... through Pulmonary Vein to--} {see 3.}

-Food_ {Carbo-Hydrates (Starch, Sugar, Cellulose.)} Sugar. {Protein.} {Peptones.} {Fat (little in Rabbit.)} {Glycerine, and fatty acids in soups.} {Rejected matter got rid of in Defaecation.}

1a. {Chyle in Lacteals going via {through} Thoracic Duct and Left Superior Cava to--} {see 2.}

1b. {Veins of Villi--} {Portal Vein--} {Liver--} {Hepatic Vein and Inferior Cava to--} {see 2.}

2. {Right side of heart; then to lungs, and then to--} {see 3.}

3. {Left side of heart; whence to Systemic Arteries and Capillaries.}

4. {The tissues and -Kataboly_.}

5. {Urea (?Liver) Kidney and Sweat Glands} {CO2} {Lungs} {H2O} {Lungs, Kidney, Sweat Glands} {Other Substances} {Mainly by [Kidney,] Liver and Alimentary Canal}

4. The Amoeba. Cells, and Tissue