Complete Lesson

A: Excretion & Homeostatic Control

Excretion & Homeostatic Control

A Medium Priority 12 lessons

Lessons

Maths Skills, Liver, Microscopes

A LEVEL - PAPER 1 2017 - QUESTION 17

Some tricky maths skills are tested here.

Walkthrough

Histology of the Liver

Histology, Control of Heart Rate, Reflexes

A LEVEL - PAPER 1 2018 - QUESTION 23

Check out the other histology questions and you will soon learn how to identify the different tissue types from photomicrographs.

Walkthrough

The Ornithine Cycle

Liver, Transport Across Membranes

A LEVEL - PAPER 1 2015 - QUESTION 17

Very difficult level of response question that requires deep understanding to master.

Walkthrough

Kidney, Cell Division, Stem Cells

A LEVEL - PAPER 1 2017 - QUESTION 22

Identifying cells and tissues from photomicrographs can be difficult the first time so get familiar with questions like this in practice so you're not doing it for the first time in the real exam.

Walkthrough

Histology of the Kidney (NO VIDEO)

Kidney, Cell Division, Stem Cells

A LEVEL - PAPER 1 2017 - QUESTION 22

Identifying cells and tissues from photomicrographs can be difficult the first time so get familiar with questions like this in practice so you're not doing it for the first time in the real exam.

Walkthrough

Ultrafiltration

Kidney, Tissue Fluid

A LEVEL - PAPER 3 2018 - QUESTION 6

Great extended response question on ultrafiltration and tissue fluid. Remember the emphasis is on the similarities and differences so it makes sense to structure your response in that format rather than discussing ultrafiltration then tissue fluid in turn.

Walkthrough

Selective Reabsorption

Kidney, Tissue Fluid

A LEVEL - PAPER 3 2018 - QUESTION 6

Great extended response question on ultrafiltration and tissue fluid. Remember the emphasis is on the similarities and differences so it makes sense to structure your response in that format rather than discussing ultrafiltration then tissue fluid in turn.

Walkthrough

The Loop of Henle

No Exam Paper Question Here...Yet!


There hasn't been an exam question that focuses directly on this content, yet. However, it may come up this year!


Try the quiz to make sure you know the content. As soon as there IS an exam question on this, I will update this page.

Osmoregulation & Antidiuretic Hormone (ADH)

Kidney, Cell Division, Stem Cells

A LEVEL - PAPER 1 2017 - QUESTION 22

Identifying cells and tissues from photomicrographs can be difficult the first time so get familiar with questions like this in practice so you're not doing it for the first time in the real exam.

Walkthrough

Kidney, Tissue Fluid

A LEVEL - PAPER 3 2018 - QUESTION 6

Great extended response question on ultrafiltration and tissue fluid. Remember the emphasis is on the similarities and differences so it makes sense to structure your response in that format rather than discussing ultrafiltration then tissue fluid in turn.

Walkthrough

Treatments of Kidney Failure

No Exam Paper Question Here...Yet!


There hasn't been an exam question that focuses directly on this content, yet. However, it may come up this year!


Try the quiz to make sure you know the content. As soon as there IS an exam question on this, I will update this page.

Excretory Products

Blood Vessels, Steroids, Evaluation, Data Interpretation

A LEVEL - PAPER 1 2019 - QUESTION 19

Make sure you practice the final part of this question as evaluating a statement or conclusion is a key skill that comes up frequently.

Walkthrough

Topic Revision

All Topic Questions

Q & A

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