Blood is filtered in the kidneys. Which combination is selectively reabsorbed from the kidney tubules?
All glucose, some ions and the amount of water needed by the body.
All urea, some glucose and the amount of water lost in sweat.
All ions, some urea and the amount of glucose needed by the body.
All water, some urea and the amount of ions lost in urine.
62 exam-style questions on AQA GCSE Biology 5.3 Hormonal coordination in humans, covering 5.3.1 Human endocrine system, 5.3.2 Control of blood glucose concentration, 5.3.3 Maintaining water and nitrogen balance in the body, 5.3.4 Hormones in human reproduction, 5.3.5 Contraception, 5.3.6 The use of hormones to treat infertility (HT only), and 5.3.7 Negative feedback (HT only). Each one has a worked solution and a mark scheme showing where the marks go.