Textbook Question
More than one choice may apply. Which of the following hormones is (are) secreted by neurons?
a. Oxytocin
b. Insulin
c. ADH
d. Cortisol
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Ch. 9 The Endocrine System
Marieb13th EditionEssentials of Human Anatomy & PhysiologyISBN: 9780135624340
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Table of contents
- Ch. 1 The Human Body: An Orientation23
- Ch. 2 Basic Chemistry22
- Ch. 3 Cells and Tissues20
- Ch. 4 Skin and Body Membranes13
- Ch. 5 The Skeletal System38
- Ch. 6 The Muscular System26
- Ch. 7 The Nervous System26
- Ch. 8 Special Senses12
- Ch. 9 The Endocrine System24
- Ch. 10 Blood22
- Ch. 11 Cardiovascular System29
- Ch. 12 The Lymphatic System and Body Defenses21
- Ch. 13 The Respiratory System7
- Ch. 14 The Digestive System and Body Metabolism13
- Ch. 15 The Urinary System23
- Ch. 16 The Reproductive System15
Marieb13th EditionEssentials of Human Anatomy & PhysiologyISBN: 9780135624340Not the one you use?Change textbook
Chapter 9, Problem 1
More than one choice may apply. The major endocrine organs of the body
a. Tend to be very large organs
b. Are closely connected with each other
c. All contribute to the same function (digestion)
d. Tend to lie near the midline of the body
Verified step by step guidance1
Step 1: Begin by understanding the role of endocrine organs. The endocrine system consists of glands that secrete hormones directly into the bloodstream to regulate various body functions such as growth, metabolism, and reproduction.
Step 2: Evaluate option (a): 'tend to be very large organs.' Endocrine organs are generally small, such as the pituitary gland, thyroid gland, and adrenal glands. This option is likely incorrect.
Step 3: Evaluate option (b): 'are closely connected with each other.' While endocrine organs are not physically connected, they are functionally interconnected through the hormones they release, which influence each other’s activity. This option may be correct.
Step 4: Evaluate option (c): 'all contribute to the same function (digestion).' Endocrine organs regulate a variety of functions, not just digestion. For example, the thyroid gland regulates metabolism, and the adrenal glands manage stress responses. This option is likely incorrect.
Step 5: Evaluate option (d): 'tend to lie near the midline of the body.' Many endocrine organs, such as the thyroid gland, pituitary gland, and pancreas, are located near the midline of the body. This option may be correct.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Endocrine System
The endocrine system is a network of glands that produce and release hormones, which are chemical messengers that regulate various bodily functions, including metabolism, growth, and mood. Major endocrine organs include the pituitary gland, thyroid gland, adrenal glands, and pancreas. Understanding the role and function of these organs is crucial for analyzing their interconnections and contributions to overall health.
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Components of the Endocrine System
Hormonal Regulation
Hormonal regulation refers to the process by which hormones control and coordinate physiological activities in the body. This includes the regulation of metabolism, immune responses, and reproductive processes. Each endocrine organ releases specific hormones that can influence the activity of other organs, highlighting the interconnectedness of the endocrine system.
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Anatomical Location of Endocrine Organs
The anatomical location of endocrine organs is significant for understanding their functions and interactions. Many major endocrine glands, such as the pituitary and thyroid, are located near the midline of the body, which facilitates their regulatory roles. This spatial arrangement can impact how hormones are distributed and how quickly they affect target tissues.
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Related Practice
Textbook Question
More than one choice may apply.
ANP, the hormone secreted by the heart, has exactly the opposite function to this hormone secreted by the outermost zone of the adrenal cortex.
a. Epinephrine
b. Cortisol
c. Aldosterone
d. Testosterone
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Textbook Question
More than one choice may apply. Which is generally true of hormones?
a. Exocrine glands produce them.
b. They travel throughout the body in the blood.
c. They affect only non–hormone-producing organs.
d. All steroid hormones produce very similar physiological effects in the body.
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