IB Biology Topic C3.1: Integration of Body Systems Notes

C3.1.1 System integration

5 minute read

C3.1.2 Cells, tissues, organs and body systems

7 minute read

C3.1.3 Integration of organs in animal bodies

7 minute read

C3.1.4 The brain as a central information integration organ

2 minute read

C3.1.5 The spinal cord as an integrating centre for unconscious processes

8 minute read

C3.1.6 Input to the spinal cord and cerebral hemispheres through sensory neurons

8 minute read

C3.1.7 Output from the cerebral hemispheres to muscles through motor neurons

5 minute read

C3.1.8 Nerves as bundles of nerve fibres of both sensory and motor neurons

4 minute read

C3.1.9 Pain reflex arcs

8 minute read

C3.1.10 Role of the cerebellum in coordinating skeletal muscle contraction and balance

6 minute read

C3.1.11 Modulation of sleep patterns by melatonin secretion as a part of circadian rhythms

7 minute read

C3.1.12 Epinephrine (adrenaline) secretion by the adrenal glands

9 minute read

C3.1.13 Control of the endocrine system

6 minute read

C3.1.14 Feedback control of heart rate

10 minute read

C3.1.15 Feedback control of ventilation rate

8 minute read

C3.1.16 Control of peristalsis in the digestive system

7 minute read

C3.1.17 Observations of tropic responses in seedlings (HL)

7 minute read

C3.1.18 Positive phototropism (HL)

6 minute read

C3.1.19 Phytohormones (HL)

9 minute read

C3.1.20 Auxin efflux carriers (HL)

5 minute read

C3.1.21 Promotion of cell growth by auxin (HL)

7 minute read

C3.1.22 Interactions between auxin and cytokinin (HL)

6 minute read

C3.1.23 Positive feedback in fruit ripening and ethylene production (HL)

8 minute read