Page:First course in biology (IA firstcourseinbio00bailrich).pdf/565

 mouth to stomach and lying in front of the spinal column.

Illustrated Study of Food Tract.

from the side.

L, larynx; th, thyroid gland; T, trachea; St, breastbone; C, heart; D, diaphragm; F, liver; E, stomach; I. intestine; Co, colon; R, rectum; V, bladder.

Question: Parts of which organs are farther back than spinal column? Compare this figure with colored Fig. 6.

, from the front (liver turned up).

1, gullet; 2, stomach; 3, spleen; 4, pancreas; 5, liver (turned upward); 6, gall bladder; 7, 8, 9, small intestine; 9', junction of small with large intestine; 10, caecum (blind sac); 11, vermiform appendix; 12, 12', 12", ascending, transverse, and descending colon; 13, rectum (straight) just below S-shaped flexure of colon.

Question: Compare with Fig. 89, and colored Fig. 6.

(3) The stomach, a large pouch where the food is stored, and from which it passes in the course of several hours,