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The Heart (Diagram and Labels of the heart (Right Atrium (Receives…
The Heart
Diagram and Labels of the heart
Right Atrium
Receives deoxygenated blood from the body
Right Ventricle
Deoxygenated blood moves here which then pumps to the lungs
Left Atrium
Receives oxygenated blood from the lungs
Pulmonary Vein
Oxygenated blood from lungs pass through here
Pulmonary Vein
Blood to the lungs flows through here
Left Ventricle
Oxyugenated blood moves through here to pump it round the whole body
Aorta
Blood with flow through here
Exercise
Increases heart rate
Muscles need more energy, respire more
Increases the amount of CO2 in blood
High levels of CO2 are detected by RECEPTORS
Send signals to the brain
Brain sends signals to the heart to contract more frequently
Hormonal System
Helps control heart rate
Organisms are threatened
ADRENAL GLANDS release ADRENALINE
Muscles contract more so more blood pumps
Increases oxygen supply to the tissues