Question

how can you improve your cardiovascular fitness? include a minimum of 20 - 30 minutes of aerobic activity 3 - 4 times per week. use weights or resistance to build your muscles. perform push ups and curl - ups daily. stretch every day.

Explanation:

Aerobic activities like running, cycling are great for cardiovascular fitness. They increase heart - rate and improve the function of the heart and lungs. The other options focus on muscle - building or flexibility rather than cardiovascular health.

Answer:

Include a minimum of 20 - 30 minutes of aerobic activity 3 - 4 times per week.