Circulatory system Flashcards
(30 cards)
What is respiration?
The transfer of oxygen into our cells and the removal of carbon dioxide
Which vessel carries blood to the heart?
Veins
Which vessel carries blood away from the heart?
Arteries
What happens in the capillaries?
Exchange of oxygen, food, and carbon dioxide and other waste chemicals
Which is the artery that carries deoxygenated blood?
Pulmonary artery
Why do veins contain valves?
To ensure blood only flows in one direction
What structure of the heart allows it to beat independently?
The sinoatrial node
Which side of the heart pumps blood going to the lungs?
Right
Which side of the heart pumps blood to the rest of the body?
Left
What type of blood is carried to the lungs?
Deoxygenated blood
What type of blood is carried to the body?
Oxygenated blood
Where is the sinoatrial node located?
The right atrium
Where does deoxygenated blood from the body enter?
The right atrium
What veins carry deoxygenated blood into the right atrium?
The superior and inferior vena cava
Where does the superior vena cava carry blood from?
Head, neck, and upper limbs
Where does the inferior vena cava carry blood from?
The rest of the body
What vein does blood enter when it has passed through the lungs?
Pulmonary vein
Where in the heart does the pulmonary vein go?
The left atrium
When the left atrium contracts, where is blood pumped?
Left ventricle
Where does blood from the left ventricle go?
The aorta
What is the cycle blood goes through in the heart?
Right atrium, right ventricle, pulmonary artery, lungs, pulmonary vein, left atrium, left ventricle, aorta, body, vena cave
What blood vessel contains valves
Veins
Why do veins need valves?
So that the blood all flows in one direction
What is an atrium and a ventricle separated by?
A valve
