Organisation - The Heart
What is the top left chamber of the heart called?
The right atrium
What is the bottom left chamber of the heart called?
The right ventricle
What is the top right chamber of the heart chamber called?
The left atrium
What is the bottom right chamber of the heart called?
The left ventricle
What blood vessel brings deoxygenated blood from the body to the heart and to which chamber?
The vena cava (vein) brings deoxygenated blood from the body into the heart via the right atrium
What blood vessel takes blood out of the heart to the lungs and from which camber?
The pulmonary artery send blood from the right ventricle in the heart to the lungs to be oxygenated
What blood vessel take oxygenated blood from the lungs to the heart and to what chamber?
The pulmonary vein takes oxygenated blood to the heart from the lungs via the left atrium
What feature does the left ventricle have that allows to contract with more force to achieve higher blood pressure
Thick muscle walls
What blood vessel takes blood out of the heart to the body and from which chamber?
The aorta (artery) takes blood from the left ventricle to the body
What type of system is the circulatory system known as and why?
A double system as blood flows through the heart twice
What controls heart rate and from where?
Pacemaker cells in the right atrium control the heart rate
What happens if pacemaker cells stop working and what can be done to fix this?
Can cause arrythmia and an artificial pacemaker can be fitted in order to fix this