c. Location in the body: There are several different chemical signals that an or
ID: 3166682 • Letter: C
Question
c. Location in the body: There are several different chemical signals that an organism uses to communicate with other regions of the body. What are the four types of chemical signals we talked about in class? Remember where they are located (type of cell the signal originated from), the use of such chemical signal, and how the signal is sent through out the body is important to k 2 How is the secretion of hormones regulated? (Hint: Two ways) What are the main parts of the brain that control the secretion of hormones? (Hint:Two parts). ? What is the function of each part? Give examples of hormones that are secreted by these parts. How are the endocrine and nervous system connected?Explanation / Answer
(Ans.3) The hypothalamus is the main part of the brain that control the secreatio of hormones. Hypothalamus divided into 3 regions :
Anterior , Middle and Posterior region.
(Ans.4) Anterior part of hypothalamus: Gonadotropin releasing hormone control sleep wake cycle and thermoregulation release oxytocin, antiduretic hormone.
Middle part of the hypothalamus: neuroendocrine integration release growth hormone releasing hormones and control heart rate blood pressure.
(Ans.5) There is an important link between nervous system and endocrine system that is hypothalamus. It is located in the center of the brain.
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