Table of Contents
Introduction.
        Function of open circulatory systems.
        Automatism
        Thermoregulation
        Hemocel pressure
        Homeostasis
Circulatory organs
        Dorsal vessel, diaphragms and accessory pulsatile organs.
                Functional anatomy, innervation and control.
        Innervation and nervous control of heartbeat.
                "Cardiac" neuropeptides.
Relationship between circulation and respiration.
        Coelopulse sustem.
        Tidal Flow of hemolymph
The Plasma system.
        Function of the hemolymph.
                Medium of transport.
                Nutrient flow from digestive and excretions systems.
                Defensive mechanisms (see hemocytes).
Hemocytes and their function.
        Source of hemocytes.
                Defense mechanisms supported by the hemolymph.
        Hemolymph proteins.
        Hemolymph lipids.
        Hemopymph salts (connection to ion regulation and water balance).
        Hemolymph peptides.