Apply knowledge of target organs to explain why hormones affect only specific tissues.

In the subtopic Human endocrine system, this learning objective focuses on apply knowledge of target organs to explain why hormones affect only specific tissues. Within Hormonal coordination in humans, students should explain this idea in the exact curriculum context rather than as an isolated fact. Approved keywords for this objective include hormones and target organs. target organs means specific organs that hormones travel to in order to exert their effects. Avoid students often think that hormones affect all tissues in the body equally, rather than specific target organs; instead emphasize that hormones are like keys that only fit specific locks (target organs), and review examples of hormones and their corresponding target organs to reinforce this concept. For exam answers, make sure to memorize the specific target organs for each hormone and their corresponding effects on the body.