Gametes are haploid cells containing 22 autosomes and one ________ chromosome.

Genital ridges in embryonic development form from intermediate ________.

A peak in ________ causes the secondary oocyte to be released at ovulation.

The epithelial lining of the stomach is classified as ________ epithelium.

Using Figure 16.1, identify the following:The urethra is indicated by ________.

Using Figure 16.2, identify the following:The myometrium of the uterus is indicated by ________.

The primary lipid-digesting enzyme in adults is ________.

Pepsinogen is activated to pepsin by exposure to ________.

The six major functions of the digestive system are ingestion, motility, secretion, digestion, absorption, and ________.

The penis contains three parallel ________ bodies plus the urethra.