Determihe ir each uait describes the ervous Systen te eidocine systein or botn.

Question

Determihe ir each uait describes the ervous Systen te eidocine systein or botn. ( potht ea Results in the secretion of chemical messengers Causes the contraction of skeletal muscles Typically has localized effects in the body 1. Endocrine System Utilizes chemically-gated ion channels at the target organ 2. Nervous System 3. Both Systems Released into a synaptic cleft Targets body cells with a matching receptor Long-lasting, minutes to days even after secretion has stopped Save MacBook A F2 FS F6 F7 8

Explanation / Answer

1. Both system--> results in chemical me...[ hormone and neurotransmitters both are chemical messenger]

2. Nervous system ---> Causes the contraction of skeletal [ Nerve stimulation causes the skeletal muscle to contract. Hormone in th other hand may contract smooth muscle in the glands but not skeletal muscle ]

3. Nervous system -> Typically has localized effect [ nerve stimulation has only effect in the synaptic cleft, while the endocrine system has the vast effect ( localized as well as distant) in the body as hormones are acts via blood circulation in the whole body, blood has vast access in the whole body system]

4. Both System --> Utilized chemically gated ion channels in the target organ [ Nervous system involves channels to cause depolarization, Polypeptide hormones acts by chemically gated ion channels, like catecholamines. Example is pituitary gland secretion via action of hypothalmic hormones]

5. Nervous system --> Released into a synaptic cleft [ synaptic cleft is only present in nervous sytem]

6. Both system --->Targets body cells with a matching Receptors. [ Receptors are needed for both the system ]

7. Endocrine system --->Long-lasting minutes to days: [ Hormone acts via blood until they are completely metabolized, the hormone has a long-lasting effect. While the nervous system has usually short lasting precise action ]

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