What effect does physical activity have on the cardiovascular system? How does this information affect the goals you set for maintaining health?

Help you control your weight,

Reduce your risk of heart diseases

Help your body manage blood sugar and insulin levels, Help you quit smoking.

Improve your mental health and mood.

Help keep your thinking, learning, and judgment skills sharp as you age.

Strengthen your bones and muscles.

Reduce your risk of some cancers, including colon, breast , uterine, and lung cancer.

Reduce your risk of falls.

Improve your sleep.

Improve your sexual health.

Increase your chances of living longer.

Explanation:

online research

the plates spread at mid-ocean ridges (they are divergent plate boundaries) which allows magma to rise through the weakness between the plates. the magma then emerges as lava from the boundary and cools, creating a new crust.