Multiple Choice
During expiration, which action contributes to the movement of air out of the lungs during eupnea, or quiet breathing?
Table of contents
- 1. Introduction to Biology2h 17m
- 2. Chemistry of Life7h 30m
- Atoms - Smallest Unit of Matter58m
- Isotopes36m
- Introduction to Chemical Bonding21m
- Covalent Bonds40m
- Noncovalent Bonds5m
- Ionic Bonding37m
- Hydrogen Bonding19m
- Introduction to Water7m
- Properties of Water - The Universal Solvent13m
- Properties of Water - Thermal14m
- Acids and Bases13m
- pH Scale21m
- Carbon8m
- Monomers & Polymers11m
- Carbohydrates23m
- Lipids28m
- Proteins31m
- Nucleic Acids34m
- ATP22m
- 3. Structure & Function of Cells6h 14m
- Prokaryotic & Eukaryotic Cells26m
- Microscopes11m
- Introduction to Eukaryotic Organelles16m
- Endomembrane System: Protein Secretion25m
- Endomembrane System: Digestive Organelles12m
- Mitochondria & Chloroplasts21m
- Introduction to the Cytoskeleton11m
- Biological Membranes10m
- Concentration Gradients and Diffusion9m
- Introduction to Membrane Transport15m
- Osmosis31m
- Simple and Facilitated Diffusion17m
- Passive vs. Active Transport13m
- Active Transport30m
- Endocytosis & Exocytosis15m
- Introduction to Metabolism8m
- Introduction to Cellular Respiration22m
- Types of Phosphorylation14m
- Glycolysis20m
- Pyruvate Oxidation8m
- Krebs Cycle16m
- Electron Transport Chain14m
- 4. Tissues & Organ Systems7h 6m
- Introduction to Tissues & Histology16m
- Introduction to Epithelial Tissue24m
- Characteristics of Epithelial Tissue35m
- Structural Naming of Epithelial Tissue19m
- Introduction to Connective Tissue36m
- Classes of Connective Tissue8m
- Introduction to Connective Tissue Proper40m
- Specialized Connective Tissue: Cartilage44m
- Specialized Connective Tissue: Bone12m
- Specialized Connective Tissue: Blood9m
- Introduction to Muscle Tissue7m
- Types of Muscle Tissue45m
- Introduction to Nervous Tissue8m
- Nervous Tissue: The Neuron8m
- Levels of Organization13m
- Introduction to Organ Systems27m
- Homeostasis10m
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- Feedback Loops: Negative Feedback19m
- Feedback Loops: Positive Feedback11m
- Introduction to the Integumentary System14m
- 5. The Skeletal System4h 17m
- An Introduction to Bone and Skeletal Tissue18m
- Gross Anatomy of Bone: Compact and Spongy Bone7m
- Gross Anatomy of Bone: Periosteum and Endosteum11m
- Gross Anatomy of Bone: Bone Marrow8m
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- Gross Anatomy of Bones - Structure of a Long Bone23m
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- Introduction to the Skeleton6m
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- The Spine13m
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- The Pectoral Girdle11m
- Bones of the Upper Limb18m
- The Pelvic Girdle22m
- Bone of the Lower Limb21m
- Introduction to Joints18m
- 6. The Muscular System2h 45m
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- 8. The Heart & Blood Vessels4h 16m
- 9. The Immune & Lymphatic Systems10h 53m
- Introduction to the Lymphatic System26m
- Lymphoid Cells & Tissues15m
- Overview of Lymphoid Organs8m
- Primary Lymphoid Organs24m
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- Secondary Lymphoid Organs: The Spleen25m
- Introduction to Immunity8m
- Introduction to Innate Immunity17m
- Introduction to First-Line Defenses5m
- Physical Barriers in First-Line Defenses: Skin13m
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- Introduction to Cells of the Immune System15m
- Cells of the Immune System: Granulocytes29m
- Cells of the Immune System: Agranulocytes25m
- Introduction to the Complement System24m
- Antigens12m
- Introduction to T Lymphocytes38m
- Major Histocompatibility Complex Molecules20m
- Functions of T Lymphocytes25m
- Review of Cytotoxic vs. Helper T Cells13m
- Introduction to B LymphocytesBonus27m
- Antibodies14m
- Classes of Antibodies35m
- Primary & Secondary Response of Adaptive Immunity21m
- Types of Acquired Immunity13m
- Introduction to Vaccines13m
- Immunotherapy: Monoclonal Antibodies12m
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- How Antimicrobial Drugs Work10m
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- 10. The Respiratory System3h 20m
- 11. The Nervous System & Nervous Tissue4h 25m
- Ions - Sodium and Potassium19m
- Resting Membrane Potential11m
- Change in Membrane Potential6m
- Properties of Graded and Action Potentials9m
- Graded Potentials17m
- Action Potentials10m
- The Refractory Period8m
- Propagation of Action Potentials11m
- Introduction to the Central Nervous System18m
- The Cerebrum48m
- Introduction to the Autonomic Nervous System10m
- Control of the ANS11m
- Introduction to Reflex Arcs13m
- Reflex Arcs15m
- Sympathetic Nervous System39m
- Parasympathetic Nervous System8m
- Review of the Sympathetic and Parasympathetic Divisions5m
- 12. Sensory Mechanisms44m
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- 14. The Digestive System and Nutrition4h 36m
- Overview of the Digestive System21m
- Organs of the Gastrointenstinal Tract32m
- Accessory Organs9m
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- Organization of DNA in the Cell17m
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- Introduction to Translation30m
- Steps of Translation23m
- Phases of Mitosis48m
- Introduction to Meiosis9m
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- Meiosis II11m
- Cell Cycle Regulation15m
- 18. Cancer37m
- 19. Genetics & Inheritance3h 33m
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- 22. Evolution and the Origins of Life4h 5m
- 23. Ecology3h 17m
- 24. Human Environmental Impact24m
10. The Respiratory System
Ventilation
Multiple Choice
Why does air rush into the lungs during an inhale or inspiration?
A
Increase in atmospheric pressure.
B
Diaphragm moves upward.
C
Decrease in air pressure in the lungs.
D
Contraction of abdominal muscles.
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