Answer the following questions in relation to the human endocrine system - Leaving Cert Biology - Question c - 2016
Question c
Answer the following questions in relation to the human endocrine system.
(i) Explain the term endocrine.
(ii) Give the location of a named endocrine gland in the b... show full transcript
Worked Solution & Example Answer:Answer the following questions in relation to the human endocrine system - Leaving Cert Biology - Question c - 2016
Step 1
Explain the term endocrine.
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Answer
The term endocrine refers to glands that are ductless and secrete hormones directly into the bloodstream. These hormones then travel through the blood to target organs and tissues, where they exert their effects.
Step 2
Give the location of a named endocrine gland in the body.
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Answer
An example of a named endocrine gland is the thyroid gland, which is located in the neck, just below the Adam's apple.
Step 3
What is a hormone?
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A hormone is a chemical messenger produced by endocrine glands. It is secreted into the bloodstream and regulates various physiological processes in the body, including growth, metabolism, and mood.
Step 4
Name a hormone produced by the gland referred to in part (ii).
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Answer
The thyroid gland produces the hormone thyroxine (T4).
Step 5
Give a function of this hormone.
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A key function of thyroxine is to regulate the body's metabolism by increasing the metabolic rate, thereby influencing how the body uses energy.
Step 6
Give a deficiency symptom of this hormone.
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A deficiency of thyroxine can lead to hypothyroidism, which may manifest as fatigue, weight gain, and sensitivity to cold.
Step 7
Give one corrective measure for this deficiency.
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One corrective measure for thyroxine deficiency is to prescribe synthetic thyroid hormone (levothyroxine) to restore normal hormone levels in the body.
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