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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
Circulation and Internal Transport
The Need for Circulatory Systems
Diffusion Limitations
Transport Requirements
Gases
Nutrients
Wastes
Hormones
Size and Complexity Relationships
Open Circulatory Systems
Basic Components
Hemolymph Composition
Heart Structure
Sinuses and Lacunae
Circulation Patterns
Flow Mechanisms
Pressure Relationships
Examples and Variations
Arthropod Systems
Molluscan Systems
Advantages and Limitations
Closed Circulatory Systems
Basic Components
Blood Composition
Heart Structure
Vessel Types
Arteries
Veins
Capillaries
Circulation Patterns
Pressure and Flow
Resistance Relationships
Examples and Variations
Annelid Systems
Cephalopod Systems
Vertebrate Systems
Advantages and Limitations
Comparative Vertebrate Circulation
Fish Circulation
Two-Chambered Heart
Single Circuit Pattern
Gill Circulation
Amphibian Circulation
Three-Chambered Heart
Double Circuit Development
Mixing and Separation
Reptilian Circulation
Three-Chambered Heart Variations
Partial Septum Function
Avian and Mammalian Circulation
Four-Chambered Heart
Complete Double Circuit
Systemic and Pulmonary Circuits
Blood and Hemolymph Composition
Plasma Components
Water Content
Proteins
Albumins
Globulins
Fibrinogen
Dissolved Solutes
Cellular Components
Red Blood Cells
Structure and Function
Hemoglobin Content
Life Cycle
White Blood Cells
Granulocytes
Agranulocytes
Immune Functions
Platelets and Thrombocytes
Clotting Mechanisms
Hemostasis
Cardiovascular Regulation
Neural Control
Hormonal Control
Local Regulation
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4. Respiration and Gas Exchange
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6. Osmoregulation and Excretion