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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
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The ________ has both endocrine and exocrine functions.

  1. a. hypothalamus
  2. b. parathyroid gland
  3. c. pineal gland
  4. d. pancreas

Summary Introduction

Introduction: A structure that constitutes a group of cells that are involved in secretion and release of hormones is called as gland. There are two general classifications of glands namely endocrine and exocrine. Endocrine glands are devoid of ducts and are involved in the secretion and release of hormones directly into the bloodstream. By contrast, exocrine glands have ducts and secrete and release the hormones into that duct. Pancreatic glands have both endocrine and exocrine glands.

Explanation

Reason for the correct answer:

Pancreas is a glandular organ present in the abdominal cavity located behind the stomach. It has both endocrine and exocrine activities. Pancreatic gland produces several enzymes for performing different functions.  It releases insulin (endocrine function) into the blood stream for balancing the blood glucose level. It also helps in digestion of food materials by releasing several digestive enzymes.

Option d. is given as “Pancreas”.

Hence, the correct answer is option d.

Reasons for the incorrect answers:

Option a. is given as “Hypothalamus”. Hypothalamus is a major region or center in the brain that regulates and controls the internal environment of the body. Hypothalamus is connected to the pituitary gland. It only has exocrine activity but not endocrine activity...

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