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What structure prevents the back flow of digested matter (feces) from the large intestine into the small intestine? 

What hormone triggers ovulation?

The intermediate portion of the small intestine makes up approximately 40% of its length and is called the _______.

The major vessels and nerves that serve the liver enter and exit through an opening known as the _________.

What part of the nephron reabsorbs the greatest amount of water, glucose, and amino acids from the filtrate?

After mastication in the oral cavity, the bolus of food must pass through the ______ before entering the esophagus.

   4 questions: Name the organ indicated by label A [answerA] Name the organ indicated by label B [answer1] Name the organ AND the SPECIFIC part of the organ indicated by label C [answer2] Name the structure indicated by label D [answer3]

3 Questions 1. Name the structure labelled A (looks like a hole) [aA] 2. What THREE STRUCTURES are found at the corners labelled B? [b1] 3. Altogether, the three structures found at the corners labelled B are called a [b4]

Which of the following hormones, produced by enteroendocrine cells in the small intestine, signals the pancreas to secrete its digestive enzymes?

In the micturition reflex: What is the stimulus that triggers the reflex? [a1] Where are the sensory receptors located? [a2] What is the name of the integration center in this reflex? [a3]