Final answer:
Chest pain and shortness of breath are signs of a heart attack, while sudden numbness or weakness of one side of the body and a sudden severe headache with no known cause are signs of a stroke.
Step-by-step explanation:
Based on the provided information, the signs of a heart attack and stroke can be categorized as follows:
- Chest pain: This is a sign of a heart attack.
- Sudden numbness or weakness of the face, arm, or leg, especially on one side of the body: This is a sign of a stroke.
- Shortness of breath: This is a sign of a heart attack.
- Sudden severe headache with no known cause: This is a sign of a stroke.
It's important to note that these are general signs and symptoms, and individual cases may vary. If you or someone you know is experiencing any of these symptoms, it's important to seek immediate medical attention.