What is blood pressure?
When your heart beats, it pumps blood round your body to give…
Transmission of Cardiac Impulse
1. Conduction over Atrial Muscle: Cardiac impulse originated at the S.A node…
Systemic and Pulmonary Circulation
Key Terms alveoli: Air sacs in the lungs that provide the surface…
What to know about cardiac muscle tissue
Cardiac muscle tissue, or myocardium, is a specialized type of muscle tissue…
The Conducting System of the Heart
The cardiac conduction system is a collection of nodes and specialised conduction cells that…
Anatomy of the Heart and Cardiovascular System
The heart and circulatory system make up your cardiovascular system. The heart and…
Homeostasis: positive/ negative feedback mechanisms
Homeostasis The biological definition of homeostasis is “the tendency of an organism…


