Across
- 2. The type of muscles that make up the heart
- 3. A type of muscle in the muscular system which are involuntary and controls movement of internal organs
- 4. Firm tissue that is not as hard as bone and is flexible to a certain limit
- 6. The main/only organ in the Circulatory System
- 7. Circulates blood and carries oxygen to the body
- 8. A pathway of blood going back to the heart
Down
- 1. They connect the bone to the muscle
- 2. The site of gas exchange; there are hundreds throughout the body
- 3. Muscles that move the skeleton
- 5. Pathways of blood leaving the heart