The human endocrine system produces hormones. (i) Explain the underlined term. (ii) Draw an outline diagram of the human body and on it indicate the location of any three of the following endocrine glands listed below: Pituitary Thyroid Pancreas Adrenals Ovaries Testes (iii) Name a hormone produced by each of the three glands referred to in your diagram at part (ii) above. (iv) Name one gland from the above list that is both an endocrine and an exocrine gland.

Leaving Cert Biology Hormonal System: The human endocrine system produ

The human endocrine system produces hormones - Leaving Cert Biology - Question c - 2021

Question c

The human endocrine system produces hormones. (i) Explain the underlined term. (ii) Draw an outline diagram of the human body and on it indicate the location of any... show full transcript

Worked Solution & Example Answer:The human endocrine system produces hormones - Leaving Cert Biology - Question c - 2021

Step 1

Explain the underlined term.

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Answer

Hormones are chemical messengers produced by glands in the endocrine system. They travel through the bloodstream to target organs or tissues, where they elicit specific biological responses, regulating various physiological processes such as metabolism, growth, and mood.

Step 2

Draw an outline diagram of the human body and on it indicate the location of any three of the following endocrine glands listed below:

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Answer

In the diagram, the following endocrine glands should be marked:

Pituitary Gland: Located at the base of the brain.
Thyroid Gland: Located in the neck, below the Adam's apple.
Pancreas: Located behind the stomach.
Adrenals: Located on top of each kidney.
Ovaries: Located in the pelvic cavity in females.
Testes: Located in the scrotum in males.

Step 3

Name a hormone produced by each of the three glands referred to in your diagram at part (ii) above.

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Answer

Pituitary Gland: Growth hormone.
Thyroid Gland: Thyroxine.
Pancreas: Insulin.

Step 4

Name one gland from the above list that is both an endocrine and an exocrine gland.

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Answer

The pancreas is both an endocrine gland, producing insulin, and an exocrine gland, as it secretes digestive enzymes.

The human endocrine system produces hormones - Leaving Cert Biology - Question c - 2021

Worked Solution & Example Answer:The human endocrine system produces hormones - Leaving Cert Biology - Question c - 2021

Explain the underlined term.

Draw an outline diagram of the human body and on it indicate the location of any three of the following endocrine glands listed below:

Name a hormone produced by each of the three glands referred to in your diagram at part (ii) above.

Name one gland from the above list that is both an endocrine and an exocrine gland.

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