BTEC Applied science unit 5 resit 2025

1.

Respiratory System

2.

Gas exchange at alveoli

3.

Structure of the lungs and breathing mechanisms

4.

Effects of exercise on breathing

5.

Kidney Function and Urinary System

6.

Ultrafiltration and selective reabsorption

7.

Structure of the nephron

8.

Kidney failure and treatment options (e.g., dialysis)

9.

Cell Transport

10.

Diffusion, osmosis, and active transport

11.

How these work in the lungs and kidneys

12.

Thermoregulation

13.

Homeostasis and negative feedback

14.

Role of the hypothalamus, sweat glands, and vasodilation/constriction

•

Cardiovascular system (especially if covered recently)

•

Specific heat capacity and thermal energy equations

•

Properties of materials (conductivity, density, malleability)

•

Pressure in fluids (especially blood pressure or IV drips)

•

Moles, molarity, and volume calculations.

•

Analyzing titration results.

•

Error analysis & improvements.

•

Calibration curve questions.

•

Using absorbance to determine concentration.

•

Practical setup and interpreting data.

•

q = mcΔT style questions.

•

Distinguishing endothermic/exothermic.

•

Hess’s Law could sneak in as a stretch question.

•

How to investigate rate practically.

•

Graph interpretation and theory (collision theory).

•

Rf value calculations.

•

Identifying unknown substances.