Videos for C3.1 Integration of body systems - IB
These comprehensive video lessons help IB Biology students Standard Level (SL) and Higher Level (HL) understand and master the essential concepts needed for success in IB Exams. Each video focuses on C3.1 Integration of body systems and is aligned with the IB Biology syllabus, ensuring focused learning on cell biology, genetics, and ecology. Students can watch and rewatch anytime, anywhere, perfect for visual learners, reinforcing complex concepts, and understanding IB methodology. By using RevisionDojo's video lessons consistently, learners build deep understanding and enter the exam with confidence.
1 min
Biology C3.1.1
C3.1.1 System integration
3 min
Biology C3.1.2
C3.1.2 Cells, tissues, organs and body systems
2 min
Biology C3.1.3
C3.1.3 Integration of organs in animal bodies
3 min
Biology C3.1.4
C3.1.4 The brain as a central information integration organ
3 min
Biology C3.1.5
C3.1.5 The spinal cord as an integrating centre for unconscious processes
2 min
Biology C3.1.6
C3.1.6 Input to the spinal cord and cerebral hemispheres through sensory neurons
2 min
Biology C3.1.7
C3.1.7 Output from the cerebral hemispheres to muscles through motor neurons
2 min
Biology C3.1.8
C3.1.8 Nerves as bundles of nerve fibres of both sensory and motor neurons
3 min
Biology C3.1.9
C3.1.9 Pain reflex arcs
2 min
Biology C3.1.10
C3.1.10 Role of the cerebellum in coordinating skeletal muscle contraction and balance
4 min
Biology C3.1.11
C3.1.11 Modulation of sleep patterns by melatonin secretion as a part of circadian rhythms
3 min
Biology C3.1.12
C3.1.12 Epinephrine (adrenaline) secretion by the adrenal glands
3 min
Biology C3.1.13
C3.1.13 Control of the endocrine system
4 min
Biology C3.1.14
C3.1.14 Feedback control of heart rate
3 min
Biology C3.1.15
C3.1.15 Feedback control of ventilation rate
3 min
Biology C3.1.16
C3.1.16 Control of peristalsis in the digestive system
5 min
Biology C3.1.17
C3.1.17 Observations of tropic responses in seedlings (HL)
1 min
Biology C3.1.18
C3.1.18 Positive phototropism (HL)
2 min
Biology C3.1.19
C3.1.19 Phytohormones (HL)
4 min
Biology C3.1.20
C3.1.20 Auxin efflux carriers (HL)
3 min
Biology C3.1.21
C3.1.21 Promotion of cell growth by auxin (HL)
2 min
Biology C3.1.22
C3.1.22 Interactions between auxin and cytokinin (HL)
2 min
Biology C3.1.23
C3.1.23—Positive feedback in fruit ripening and ethylene production (HL)