Across
- 2. The number of chambers in your heart.
- 4. On average a woman's heart beats _____________ than a man's heart.
- 5. Structures in your heart that keep blood flowing in one direction.
- 8. Type of muscle that is found in your heart.
- 10. The heart is about the size of your _____________.
- 11. Heart cells have an abundance of what organelle that enables the heart to have the energy needed to keep the it continually beating.
- 13. The average person's heart beats 42 _____________ times per year.
- 14. Your heart is a _____________ that pushes blood throughout your body.
Down
- 1. Blood flows through your heart in one _____________.
- 3. Heart muscle needs special characteristics because it never _____________.
- 5. Part of the heart provides powerful contractions that push blood throughout the body.
- 6. The last heart chamber that oxygenated blood travels through before it gets delivered to the rest of the body.
- 7. The first heart chamber deoxygenated blood enters as it travels back to the heart from the body.
- 9. The average person's heart beats 115,000 times per _____________.
- 12. An average man's heart weighs 10 _____________.