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The Heart
Question | Answer |
---|---|
What muscle is the heart made of? | Cardiac Muscle |
What is the hearts function? | To pump blood around the body |
How many chambers does the heart have? | The heart has 4 chambers |
What are the top 2 chambers called? | Atria |
What are the 2 chambers at the bottom called? | Ventricles |
What are the main arteries called? | The aorta and the pulmonary artery |
What are the main veins called? | The vena cava and pulmonary vein |
What separates the two sides of the heart? | The septum |
What is blood that carries oxygen called? | Oxygenated blood |
What is blood that carries carbon dioxide called? | Deoxygenated blood |
Where does deoxygenated blood enter the body? | The right atrium |
How does the deoxygenated blood make its way to the right atrium? | Through the vena cava |
What does the right atrium do? | The right atrium contracts and pumps blood through valve into the right ventricle |
Where is blood pumped out of? | The heart |
When the blood is pumped out what does it go through? | It goes through the pulmonary artery |
When the blood leaves the heart through the pulmonary artery where does it go? | The blood goes to the lungs |
Do veins or arteries carry blood to the heart? | Veins |
Which have thinner walls, veins or arteries? | Veins |
Do arteries have thicker walls? | Yes |
Arteries have valves? True or false? | False |
Do veins carry blood to the heart? | Yes |
What are valves? | Valves prevent back flow of blood |
What are capillaries? | Capillaries are tiny blood vessels with very thin walls |
What do capillaries do? | Capillaries connect veins and arteries together |
What carries blood TO the heart? | Veins |
What carries blood AWAY from the heart? | Arteries |