click below
click below
Normal Size Small Size show me how
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 |