General and comparative physiology

Sources of energy and its distribution

The origin of animals and their environment
Regulatory mechanisms
Nutrition
The Exchange of gases
The internal fluid environment and its circulation
The vascular fluids
The transformation of energy
Excretion

Environmental relations

Physiological compensation for environmental variation
Temperature
Ionic and osmotic balance
The gaseous environment
Pressure and buoyancy
Light

Nervous integration and animal activity

Irritability
Receptor mechanisms and chemoreception
Photoreception
Reception of mechanical and thermal stimuli
Effector organs and the physiology of movement
Electrical discharge, light production and color changes
Nervous integration

Reproduction and development

Reproduction
Endocrine regulation of reproduction
growth and development