THE HUMAN ENDOCRINE SYSTEMS GLANDS WORKSHEET 2 .doc - THE HUMAN ... - Free Printable

Let’s solve this step by step.

We are given a diagram of the human endocrine system with labeled glands (A through H), and we need to match each gland to its correct function from the list provided.

First, let’s identify what each letter likely represents based on standard anatomy:

- A → Pituitary gland (at base of brain)
- B → Hypothalamus (above pituitary)
- C → Thyroid gland (in neck)
- D → Parathyroid glands (on thyroid — but often grouped with thyroid in diagrams)
- E → Adrenal glands (on top of kidneys)
- F → Pancreas (behind stomach)
- G → Ovaries (in female pelvis) or Testes (in male pelvis) — since diagram shows female reproductive organs, G is ovaries
- H → Pineal gland (deep in brain)

Now, let’s go through each blank and match it to the correct gland using known functions.

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Blank 1:
> _______ gland stimulates bone growth and development

→ This is growth hormone, produced by the anterior pituitary. So that’s A.

But wait — sometimes people confuse this with thyroid. Thyroid affects metabolism and growth indirectly, but direct bone growth stimulation = pituitary (GH).

✔ Blank 1: A

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Blank 2:
> _______ gland releases hormones that control other endocrine glands

→ That’s the “master gland” — again, pituitary (A). But we already used A? Wait — maybe multiple blanks can use same gland? Let’s check instructions.

Looking at the worksheet: It says “Fill in the blanks with the correct letter.” And there are 8 blanks and 8 letters (A-H). So probably one-to-one matching.

Wait — let’s re-read the first sentence: “Directions: Label the following parts on the diagram... Then fill in the blanks...”

Actually, looking again — the blanks are numbered 1 to 8, and we have glands A to H. Likely each blank corresponds to one unique gland.

So perhaps I misassigned.

Let me list all 8 blanks and think carefully.

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Let’s write out each blank with clue:

1. _______ gland stimulates bone growth and development
→ Growth Hormone → Anterior Pituitary → A

2. _______ gland releases hormones that control other endocrine glands
→ Again, pituitary controls others → still A? But if only one per gland, conflict.

Wait — maybe #2 is hypothalamus? Because hypothalamus controls pituitary.

Yes! Hypothalamus (B) releases releasing/inhibiting hormones that control pituitary.

So:

#2 → B (hypothalamus)

Then #1 → A (pituitary) for GH

That works.

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3. _______ gland regulates metabolism, heart rate, and body temperature

→ Thyroid hormone does this → C (thyroid)

✔ #3: C

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4. _______ gland produces insulin and glucagon to regulate blood sugar

→ Pancreas → F

✔ #4: F

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5. _______ gland helps regulate calcium levels in the blood

→ Parathyroid glands → they’re small, attached to thyroid. In many diagrams, they’re labeled as part of C or separate. Here, D is likely parathyroids.

In standard labeling:

- C = thyroid
- D = parathyroids (sometimes shown as dots on thyroid)

Parathyroid hormone regulates calcium.

✔ #5: D

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6. _______ gland produces adrenaline during stress responses

→ Adrenal medulla → adrenal glands → E

✔ #6: E

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7. _______ gland produces estrogen and progesterone in females

→ Ovaries → G

✔ #7: G

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8. _______ gland produces melatonin to regulate sleep-wake cycles

→ Pineal gland → H

✔ #8: H

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Now let’s double-check all assignments:

1. Bone growth → Pituitary (A) ✔
2. Controls other glands → Hypothalamus (B) ✔
3. Metabolism, HR, temp → Thyroid (C) ✔
4. Insulin/glucagon → Pancreas (F) ✔
5. Calcium regulation → Parathyroid (D) ✔
6. Adrenaline → Adrenals (E) ✔
7. Estrogen/progesterone → Ovaries (G) ✔
8. Melatonin → Pineal (H) ✔

All glands A–H used exactly once. Perfect.

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Final Answer:

1. A
2. B
3. C
4. F
5. D
6. E
7. G
8. H