Examlex
Clouds and precipitation patterns are often clues to the position of a front.
Reproductive System
The system of organs and structures in organisms that work together for the purpose of reproduction.
Endocrine System
The collection of glands that produce hormones to regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things.
Hormones
Chemical messengers secreted by endocrine glands that regulate various physiological processes in the body.
Lymphatic System
The network of organs, lymph nodes, ducts, and vessels that produce and transport lymph from tissues to the bloodstream, important for the immune system.
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