IB Diploma Biology HL, topic B3
Organisms (Form and function)
How the form of whole organisms suits their function. Gas exchange in mammals and leaves, transport in blood and in xylem and phloem, and, at HL, haemoglobin, the heart, tissue fluid and how muscles, skeletons and joints produce movement.
Revision notes
Worksheet
FlashcardsSubtopics
Work through them in order. Each one has notes, exam questions and flashcards, and a PDF of each.
- 1Gas exchange Spec B3.1IB Biology B3.1 gas exchange: exchange surfaces, alveolar lungs, ventilation, lung volumes, leaves, transpiration, stomata and (HL) haemoglobin.NotesQuestions 8Flashcards 20
- 2Transport Spec B3.2IB Biology B3.2 transport: capillaries, arteries, veins, pulse, coronary heart disease, xylem, stems and roots, and (HL) tissue fluid, heart, phloem.NotesQuestions 8Flashcards 24
- 3Muscle and motility HL onlySpec B3.3IB Biology HL B3.3: movement, sliding filaments, titin, motor units, skeletons, the hip joint, intercostal muscles, locomotion and marine mammals.NotesQuestions 8Flashcards 18
Whole topic
When you have done the subtopics: test yourself on everything, or print the lot.