# Life Sciences Paper 1, November 2024, question 1.5.3(b)

> The diagram below shows a person with some organs and glands involved in... Marked mark by mark. Q1.5.3(b), Life Sciences Paper 1 November 2024, 1 mark.

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Last updated: 2026-11-12

Subject: Life Sciences. Source: Based on Nov 2024 · Paper 1 · Q1.5.3(b). Marks: 1. Not yet checked by a teacher.

## Question 1.5.3(b) (1 mark)

The diagram below shows a person with some organs and glands involved in keeping the body’s water balance steady. Gland P is the pituitary gland, which releases ADH when the blood becomes too concentrated. Name the organ labelled Q that responds to ADH by reabsorbing more water into the blood.

Figure: A standing human figure. P marks a small gland at the base of the brain in the head. Q marks one of the two bean-shaped organs in the lower back of the trunk, one on each side of the spine.

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