内分泌系统是与大脑和神经网络并行的控制机制。此系统由分泌化学信使——激素的腺体组成，通过血液传播。激素调控身体机能，如生长与繁殖，作用于特定细胞，改变其化学活动。下丘脑将内分泌系统与大脑及神经网络相连接，位于大脑中。内分泌腺体分布于头部与躯干，其中甲状腺等腺体拥有独立功能，而其他腺体则嵌...
The endocrine system is a messenger system comprising feedback loops of the hormones released by internal glands of an organism directly into the circulatory system, regulating distant target organs. In vertebrates, the hypothalamus is the neural control center for all endocrine systems. In humans, ...
Hormones 01 – endocrine system JennyXu 边学习边寻找发展方向,希望能记录突破的轨迹A second control system works alongside the brain and nerve network. The endocrine system is a collection of glands that release chemical messengers, or hormones, into the bloodstream. They control body processes, such...
Point of View: It's Personal Plural and Possessive Names: A Guide What's the difference between 'fascism' and 'socialism'? More Commonly Misspelled Words Words You Always Have to Look Up Popular in Wordplay See All 8 Words with Fascinating Histories ...
The two systems that control body activities are the endocrine system and the nervous system. The former exerts its control by means of chemical messengers called hormones. Hormones are produced by a variety of endocrine glands, which release the hormones directly into the blood stream.A major ...
Describe the endocrine system and explain its primary responsibilities within the body Theendocrine systemconsists of a series of glands that produce chemical substances known ashormones(Figure 1). Like neurotransmitters, hormones are chemical messengers that must bind to a receptor in order to send th...
The Body’s Long-Distance Regulators• Hormone definition:• Hormones may reach all parts of the bodyBut only certain types of cells (target cells) are equipped to respondHormone (from the Greek horman , to excite)a chemical signal secreted into the circulatory system and communicates regulator...
ChemicalBook > Product Catalog > API > Hormones and the Endocrine System Hormones and the Endocrine SystemContraceptives Pituitary hormone drugs Estrogen and progestin drugs Adrenocorticotropic hormone drugs Sex Hormone Drugs Thyroid hormone and antithyroid drugs Others Prostaglandin drugs Adrenal corticosteroids...
The endocrine system. The two systems that control body activities are the endocrine system and the nervous system. The former exerts its control by means of chemical messengers called hormones. Hormones are produced by a variety of endocrine glands, which release the hormones directly into the ...
Why is '-ed' sometimes pronounced at the end of a word? Popular in Wordplay See All Terroir, Oenophile, & Magnum: Ten Words About Wine 8 Words for Lesser-Known Musical Instruments 10 Words from Taylor Swift Songs (Merriam's Version) ...