The declaration of independence said that everyone has the right to life liberty and the pursuit of happiness
The answer is "task variety".
Task Variety is a term used to address fluctuation of conditions under which undertakings can seem despite the fact that their vital comparability: each deliberately institutionalized assignment can possibly happen under various conditions which add changeability to its execution, requiring adaptability from entertainers for settling on specially appointed choices and adjusting to various conditions.
Answer:
The correct statment would be: "the hormons of the endocrine system exert their action by lock and key mechanism."
Explanation:
The endoncrine system is responsable of the release of hormons under certain conditions, and in different organs, they go trough the bloodstream. The lock and key mechanism is explained as how the receptors block or release hormonos or instead they don´t. The endocrine system is responsable for the reproductive system, and regulates metabolic processes.
