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Lorem Ipsum
The physiology of the heart explains how blood circulates
through the body. Deoxygenated blood travels to the lungs
for oxygenation, then oxygenated blood returns to the heart
and is pumped through the aorta to supply tissues.
Cardiac blood circulation describes how blood flows from
the heart to the lungs and back to the body. This process
delivers oxygen and nutrients to tissues while supporting
normal cellular function.
Cardiac layers include the pericardium, myocardium,
and endocardium. These structures protect the heart,
generate contractions, and line the heart chambers to
support efficient blood circulation.
The cardiorespiratory system combines the heart and
lung function to circulate oxygen, remove carbon dioxide,
and support cellular metabolism and overall body balance.
The cardiorespiratory system combines the heart and lung
function to circulate oxygen, remove carbon dioxide,
and maintain physiological balance essential for cellular
activity.
The heart in the sagittal plane shows the heart divided
into right and left halves. This view highlights the atria,
ventricles, and heart valves, helping explain cardiac
anatomy and blood flow through the chambers.
Heart valves regulate blood flow within the heart. The
mitral, tricuspid, aortic, and pulmonary valves open and
close during each heartbeat to ensure one-way blood flow
circulation through the heart and major arteries.
Heart valves regulate blood flow inside the heart.
The mitral, tricuspid, aortic, and pulmonary valves
open and close during each heartbeat to maintain
one-way circulation.
The mitral valve regulates blood flow between the left
atrium and the left ventricle. Its opening and closing during
the cardiac cycle ensure one-way blood circulation through
the heart.
The rib cage is a skeletal structure made of ribs,
sternum, and thoracic vertebrae. It protects the
heart and lungs while supporting breathing
movements.
Thoracic cavity layers include skin, subcutaneous tissue,
intercostal muscles, ribs, and costal cartilage. Together, they
protect the heart and lungs while supporting breathing
movements.