Systolic pressure is when the ventricles contract.
Answer:brown rice
Explanation: Many of the nutrients in brown rice help keep your heart healthy. It's a rich source of dietary fiber, which can reduce your risk of death from heart disease. Brown rice also contains high levels of magnesium, which can help make you less vulnerable to heart disease and stroke.
These bacteria used visible light energy to create chemical energy, expelling oxygen that was converted to ozone. The ozone blocked the Sun's harmful UV radiation from reaching the ground