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Given a scientific passage and an answer, generate a question for the given answer.

Passage: Figure 17.17 Adrenal Glands Both adrenal glands sit atop the kidneys and are composed of an outer cortex and an inner medulla, all surrounded by a connective tissue capsule. The cortex can be subdivided into additional zones, all of which produce different types of hormones. LM 204. (Micrograph provided by the Regents of University of Michigan Medical School ©️ 2012). Answer: adrenal
Output:
Which glands sit atop the kidneys and are composed of an outer cortex and an inner medulla, all surrounded by a connective tissue capsule?