I. Name two heart diseases in humans.

ii. State three causes of heart diseases.​

The sections below will look at some different types of heart disease in more detail.

Coronary artery disease. ...

Congenital heart defects. ...

Arrhythmia. ...

Dilated cardiomyopathy. ...

Myocardial infarction. ...

Heart failure. ...

Hypertrophic cardiomyopathy. ...

Mitral valve regurgitation.

Explanation:

I hope it's helpful for you ☺️

1. coronary artery disease and arrhythmia

2. high blood pressure, smoking, high blood cholesterol

The scientific method is a series of steps followed by scientific investigators to answer specific questions about the natural world. it involves making observations, formulating a hypothesis, and conducting scientific experiments.the steps of the scientific method are •observation-the first step of the scientific method involves making an observation about something that interests you•question-once you've made your observation, you must formulate a question about what you have observed. •hypothesis-once you've made your observation, you must formulate a question about what you have observed. •experiment-once you've developed a hypothesis, you must design and conduct an experiment that will test it.•results-the results are where you report what happened in the experiment. •conclusion-the final step of the scientific method is developing a conclusion.i hope that this you : )