Across
- 3. Germ layer from where gut formed
- 6. Skeletal and cardiac muscle are rich in this organelle
- 8. Nerves that innervate smooth muscle cell
- 10. Plasma membrane of muscle
- 11. Plasma membrane groove in skeletal and cardiac muscle
- 13. Found in cardiac muscle
- 14. Epithelium of heart
Down
- 1. Oxygen-carrier in muscle
- 2. Outermost layer of muscle
- 4. triggers action potential in smooth muscle
- 5. Fast muscle that undergoes the fatigue
- 7. Bundle
- 9. The period of pause between one heartbeat and the next
- 12. acid Organic acid accumulated in skeletal muscle