Topic 6.4 Gas Exchange

IB Biology - The Whole Course (all videos and quizzes) including Option C and B

Introduction to the Course: What's here and its Organization (Mandatory Reading)

Topic 1 - Cell Biology (Topics 1.1 - 1.5)

Topic 1.1 Intro to Cells (Videos Parts I and II) (33:55)
Topic 1.2 Ultrastructure of Cells (Videos Parts III, IV, V) (42:34)
Topic 1.3 Membrane Structure (Video Part VI) (16:23)
Topic 1.4 Membrane Transport (Videos Parts VII, VIII) (31:48)
Topic 1.5 Origin of Cells (Video Part IX) (14:32)

Topic 1.6 Cell Division, Mitosis

Topic 2 - Molecular Biology (2.1-2.6; Water through Nucleic Acids) Enzymes not included here; see next section

Topic 2.5 - Enzymes (SL) and 8.1 Enzymes (HL)

Topic 2.7 - DNA Replication (SL) and 7.1 DNA Replication (HL)

Topic 2.7 DNA Replication (SL) (38:57)
Topic 7.1 DNA Replication (HL) (24:22)
Topic 7.1 -Replication Extras (Sanger's Method, Tandem Repeats, Replication in Biotechnology) (28:16)

Topic 2.7 - DNA Transcription, Translation (SL) and 7.2, 7.3 Transcription, Translation (HL)

Topic 2.8 - Respiration (SL) and 8.2 Respiration (HL)

Topic 2.9 - Photosynthesis (SL) and 8.3 Photosynthesis (HL)

Topic 3.1 - 3.3 and 10.1 (HL) Meiosis; a Topic that must be taught before Genetics

Topic 3 - Genetics (3.4) SL and Genetics (10.1-10.2) HL

Topic 3.5 - Biotechnology

Topic 4 - Ecology (Core Only, Not Option C))

Topic 5 - Evo/Biodiversity (SL) and Topic 10.3 Evolution/Speciation (HL)

Topic 5.1 Evidence for Evolution (28:06)
Topic 5.2 Mechanism of Natural Selection (23:48)
Topic 5.3 Classification (19:32)
Topic 5.4 Plant and Animal Phylogeny (18:48)
Topic 5.5 Origins of Life (21:37)
Topic 10.3 (HL Evolution, Speciation) (45:18)

Topic 6 - Human Physiology

Topic 6.1 Digestion and Absorption (39:16)
Topic 6.2 Blood System, Circulation (75:40)
Topic 6.3 Defense Against Disease (41:16)
Topic 6.4 Gas Exchange (38:37)
Topic 6.5 Neurons and Synapses (60:44)
Topic 6.6 Hormones, Homeostasis, Reproduction (86:15)

Topic 9 - Plant Biology (HL only)

Topic 11 - Animal Physiology (HL Only)

Option C - Ecology and Conservation

C.1 Species and Communities (48:28)
C.2 Communities and Ecosystems (54:20)
C.3 Impacts of Humans on Ecosystems (27:26)
C.4 Conservation of Biodiversity (33:58)
C.5 Population Ecology (35:12)
C.6 Nitrogen, Phosphorus Cycles (30:04)

Option B - Biotechnology, Bioinformatics

B.1 Microbiology; Organisms in Industry (46:25)
B.2 Biotechnology in Agriculture (48:50)
B.3 Environmental Protection (37:36)
B.4 Medicine (HL only) (52:58)
B.5 Bioinformatics (HL Only) (35:49)

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