Pondweed bubbles under a lamp animation
An animation that plays by itself on a loop: pondweed bubbles under a lamp.
Nutrition and transport in flowering plants · covers the O-Level, IGCSE, GCSE topic
Use it in your lessons
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Free guide: 12 practicals as sims, and how to run one in a lesson →
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More biology sims
- The kidney and the nephron simDrag a drop of filtrate through one nephron, zoomed from the kidney. See what ultrafiltration lets through, what selective reabsorption takes back, and how water, glucose, urea and salts change, with a live concentration graph and a plasma, filtrate and urine table to fill.
- Breathing: the mechanism and a spirometer trace simThe student contracts the diaphragm and intercostal muscles on a model chest to make air flow in and out, then reads tidal volume, vital capacity and breathing rate from a spirometer trace at rest and in exercise.
- Yeast respiration and temperature simSet a water bath, settle a tube of yeast in glucose, count carbon dioxide bubbles three times at each temperature, plot the means to find the optimum and test the gas with limewater.
- ABO blood transfusion: test every pair simDrag donor red cells (A, B, AB, O) from blood bags into wells of recipient plasma on a white typing tile, rock it, see under a hand lens whether the cells clump, and fill all 16 boxes of the donor table.
- Alveolus gas exchange simTurn the knobs on an alveolus teaching model to change breathing, blood flow, wall thickness and altitude, watch oxygen and carbon dioxide cross one alveolus and its capillary, take your own readings and graph them.
- Arteries, veins and capillaries simSlide a stained artery-and-vein section under a microscope to compare the walls, lumens and capillaries at real size, take your own pressure and speed readings along the circuit, and squeeze a vein-valve model to see the valves open and shut.