Which of the Responses Represent the Missing Particle in the Following

question 3

Multiple Choice

Which of the responses represent the missing particle in the following reaction?

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Definitions:

Allantois

Tube extending from the embryonic hindgut into the umbilical cord; forms the urinary bladder.

Urinary Bladder

An organ that collects urine excreted by the kidneys before disposal by urination.

Urethra

A tube that conducts urine from the bladder to the outside of the body in both sexes and also conveys semen in males.

Malformations

Abnormalities in the structure of a body part or organ, often present from birth.