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3.3 Maintaining internal environments

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Question 10
H

The Figure shows a kidney tubule and its blood supply.

Figure

image

a.

Name part J and part L.

[2]
b.

Give the letter of the part where most glucose is reabsorbed into the blood.

[1]
c.

ADH is a hormone that acts on the kidney tubule.

Give the letter of the part that ADH acts on, and describe the effect of ADH on this part.

[3]
d.

Name the gland that releases ADH.

[1]
Markscheme

3.3 Maintaining internal environments Questions

  1. GCSE
  2. /Biology
  3. /3.3 Maintaining internal environments

72 exam-style questions on OCR GCSE Biology 3.3 Maintaining internal environments, covering 3.3.1 Importance of a constant internal environment, 3.3.2 The skin and body temperature, 3.3.3 Insulin and blood sugar, 3.3.4 Glucagon and blood sugar, 3.3.5 Type 1 and type 2 diabetes, 3.3.6 Osmotic changes in body fluids, 3.3.7 Kidneys and water balance, 3.3.8 Structure of the kidney and tubule, 3.3.9 ADH and kidney tubule permeability, and 3.3.10 Responses to temperature and osmotic challenges. Each one has a worked solution and a mark scheme showing where the marks go.

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