Sure! Here are the correct answers to fill in the blanks:
A - esophagus
B - stomach
C - large intestine
D - kidneys
So the complete sentences would be:
A. The pharynx forms the food substance into balls and then pushes it into the esophagus.
B. While in the stomach, food is broken down by powerful acids and turned into chyme.
C. The remaining amounts of water, vitamins, and minerals are absorbed in the large intestine.
D. The kidneys remove excess water, salts, uric acids, and chemicals from the blood.