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Biology
Anatomy and Physiology
Comparative Animal Physiology and Anatomy
1. Foundational Principles of Animal Form and Function
2. Tissues and Integumentary Systems
3. Nutrition and Digestion
4. Respiration and Gas Exchange
5. Circulation and Internal Transport
6. Osmoregulation and Excretion
7. Nervous Systems and Sensory Perception
8. Endocrine Systems and Chemical Signaling
9. Movement and Musculoskeletal Systems
10. Thermoregulation
11. Reproduction and Development
Nutrition and Digestion
Nutritional Requirements
Macronutrients
Carbohydrates
Simple Sugars
Complex Carbohydrates
Proteins
Amino Acid Composition
Protein Quality
Lipids
Fatty Acids
Steroids
Phospholipids
Micronutrients
Vitamins
Water-Soluble Vitamins
Fat-Soluble Vitamins
Minerals
Macrominerals
Trace Elements
Essential Amino Acids
Essential Fatty Acids
Energy Requirements and Metabolism
Feeding Mechanisms and Strategies
Suspension and Filter Feeding
Mechanisms and Adaptations
Examples in Different Phyla
Substrate and Deposit Feeding
Adaptations and Examples
Selective vs. Non-selective Feeding
Fluid Feeding
Specialized Mouthparts
Piercing and Sucking Adaptations
Bulk Feeding
Jaw and Tooth Adaptations
Prey Capture Mechanisms
Parasitic Feeding
Adaptations for Parasitism
Comparative Digestive Systems
Intracellular Digestion
Mechanisms in Sponges
Phagocytosis and Digestion
Incomplete Digestive Tracts
Gastrovascular Cavity Structure
Limitations and Examples
Cnidarian Digestion
Complete Digestive Tracts
Alimentary Canal Structure
Regional Specialization
Advantages of Complete Systems
Anatomical Specializations
Oral Cavity and Feeding Structures
Herbivore Adaptations
Carnivore Adaptations
Omnivore Adaptations
Specialized Feeding Apparatus
Esophagus and Storage Structures
Transport Functions
Crop Function
Stomach Variations
Monogastric Stomachs
Structure and Function
Gastric Secretions
Ruminant Stomachs
Four-Chambered System
Microbial Fermentation
Rumination Process
Avian Digestive Adaptations
Crop and Gizzard
Intestinal Adaptations
Length Correlations with Diet
Surface Area Modifications
Regional Specializations
Fermentation Chambers
Foregut Fermentation
Hindgut Fermentation
Cecum and Appendix
Physiology of Digestion
Mechanical Digestion
Chewing and Mastication
Churning and Mixing
Peristalsis
Chemical Digestion
Enzyme Types and Functions
pH Requirements
Regulation of Secretion
Absorption Mechanisms
Passive Transport
Active Transport
Facilitated Diffusion
Transport Across Epithelia
Regulation of Digestion
Neural Control
Hormonal Control
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2. Tissues and Integumentary Systems
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4. Respiration and Gas Exchange