| A | B |
|---|
| Which side has a thicker wall? | Left side |
| What is the name of the largest blood vessel? | Aorta |
| What divides the two sides of the heart? | Septum |
| What are the upper chambers of the heart called? | Atrias |
| What artery leads to the lungs? | Pulmonary artery |
| What is the function of the chordae tendinaes? | They open valves |
| What leads into the right atrium? | Superior and Inferior vena cava |
| Which two valves are found in the right ventricle? | Tricuspid and Pulmonary valves |
| What color is deoxygenated blood? | Blue |
| Why are arteries thicker than veins? | Arteries have to pump blood, veins don't |
| The heart is the source of what to the body? | Pressure |
| Blood is made mostly of what? | Plasma |
| How many miles of capillaries are in the body? | 50,000 miles |
| Veins have what kind of valves? | Pocket valves |
| How many pumps does the heart have? | 2 pumps |
| What kind of system is the circulatory system? | Closed |
| The journey of blood from start to finish takes how many seconds? | 40 seconds |
| The heart beats how many times in a life time? | About 3 billion |
| The right atrium contract to force blood into the what? | Right ventricle |
| The force that blood exerts against the walls of a blood vessel is known as? | Blood pressure |
| Kidneys filter our entire blood volume how many times an hour? | 2 to 3 times |
| What arteries carry blood to the lungs? | Pulmonary arteries |
| What veins carry blood from the lungs? | Pulmonary veins |
| What do arterioles branch into? | Capillaries |
| What do our cells drink to help with chemical reactions? | Water |
