The English term 'echocardiography' means a noninvasive diagnostic procedure that uses ultrasound to study to structure and motions of the heart
Echocardiography uses sound waves to make images of the heart. These images can show if there are any abnormalities of the heart valves.
different, other, another, second, possible, substitute, or replacement
alternative energy is energy produced by anything but fossil fuels, such as solar power, wind farms, or dams. no it uses solar power but I don't really know so what can i do if i don't know innit?
another optionwhen people ask you what can you get out off lifeim sorry i dont know but you can check on dictionary.com