explain the stucture and function of the heart and lungs and why they are good at it

Answer 1

We do not do your homework for you. Here are some sites that will be very helpful.

http://www.google.com/search?hl=en&ie=ISO-8859-1&fkt=2031&fsdt=13063&q=Structure+and+function+of+heart&btnG=Google+Search&aq=f&oq=

http://www.google.com/search?hl=en&ie=ISO-8859-1&q=Structure+and+function+of+lungs&btnG=Search

Answer 2

still cant find out why they are suited to there function