Examlex
The Main Sequence is the first stellar stage in which energy produced by ________ balancesthe energy lost by radiation from the surface of the star.
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.
Interstitial Fluid
Interstitial fluid is the fluid that surrounds the cells in tissues, providing them with nutrients and a means of waste removal, lying between blood vessels and cells.
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