Question

1. which part of the body does cardiovascular disease affect? stomach and digestive organs lungs and respiratory system heart and blood vessels brain and nerves

Explanation:

Cardiovascular diseases are related to the heart (cardio - from the Greek word for heart) and blood vessels (vascular). The term "cardiovascular" directly refers to these body parts. Stomach and digestive organs are related to digestive system diseases. Lungs and respiratory system are related to respiratory diseases. Brain and nerves are related to neurological diseases.

Answer:

heart and blood vessels