In the Following List of Developmental Events, Which Occurs Last

question 3

Multiple Choice

In the following list of developmental events, which occurs last?

• A) tissue specialization
• B) gamete formation
• C) gastrulation
• D) cleavage
• E) organ formation

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Definitions:

Sphincter

A circular muscle that normally maintains constriction of a natural body passage or orifice and that relaxes as required by normal physiological functioning.

Pancreas

A gland located in the abdomen that produces digestive enzymes and hormones, including insulin, which helps regulate blood sugar levels.

Small Intestine

Part of the gastrointestinal tract between the stomach and large intestine, where most digestion and absorption of nutrients occurs.

Ileum

The final and longest segment of the small intestine, where absorption of nutrients and minerals is completed.