Endocrine System

Endocrine System: Pituitary Gland diagram showing the two lobes of Pituitary gland

What is Endocrine System? Endocrine System consists of ductless glands that control, communicate, coordinate and integrate various functions of all the body organs by secretions of chemical messenger called hormones. What is the difference between nervous and endocrine control?   Nervous Control Endocrine Control 1. Works by the conduction of nerve impulses. Works by the … Read more

Human Circulatory System

Human Circulatory System- The Heart

What is Circulatory System? The Human Heart Pericardium and wall-layers of the heart Structure of Human Heart Blood vessels entering and leaving the heart, their apertures and valves Blood vessels entering the heart Blood vessels leaving the heart Heartbeat Circulation of blood through the heart Double Circulation Double Circulation- The Blood has to pass atwice … Read more