How can a person guard against a decrease in heart and lung function?

The answer is: Follow the 6 necessary tips.

Explanation:

Heart failure is a syndrome characterized by the presence of symptoms: shortness of breath, tiredness, difficulty breathing lying down, etc.

To protect against a decrease in cardiac and pulmonary function, it is necessary:

1.- An adequate monitoring and control of blood pressure and diabetes,

2.- Avoid getting fat,

3.- Stress control.

4.- Perform a healthy exercise or activity throughout life, being constant.

5.- Avoid the consumption of alcohol and tobacco regularly.

6.- Do not take other stimulants.

The answer is: Follow the 6 necessary tips.

the answer is "a.) well–developed vascular system."

explanation:

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]