Across
- 2. have the fastest heart rate
- 3. how many gallons of blood your heart pumps daily
- 4. most common day of the year for heart attacks to happen
- 5. controls the rhythm of heart
- 7. where your heart is located
- 8. where electrical impulses come from
Down
- 1. determines the passage of blood between the arterys
- 3. controls flow of blood from right ventricle to right atrium
- 6. first beat of heart