5. Proper clothing is necessary to make the blood circulate equally in
different parts of the body.

6. Violent anger may cause death by stopping the beating of the heart.

7. Alcohol injures the blood.

8. Alcohol overworks the heart.

9. Alcohol enlarges the blood-vessels.

10. Tobacco injures the blood.

11. Tobacco weakens the heart and makes the pulse irregular.

12. The use of strong tea and coffee causes palpitation of the heart.

13. A cold is caused by a disturbance of the circulation. A cold should
never be neglected.

14. When an artery is wounded, the blood is bright red and flows in
spurts.

15. When a vein is wounded, the blood is purple and flows in a steady
stream.

16. To stop bleeding from an artery, press on the side of the wound
towards the heart, or on both sides of the wound.

17. When a vein is wounded, press on the side away from the heart.