Across
- 2. only one epithelial cell in thickness, are the smallest blood vessels in the body
- 5. the loss of the normal rhythm
Down
- 1. an abnormally slow resting heart rate
- 3. the emergency use of electrical shock to restore the heart's normal rhythm
- 4. Blocker reduces the workload of the heart by blocking the release stress hormones, thus slowing the rate of the heartbeat