A lymphatic organ that helps develop the immune system is the thymus gland.
It depends what way u make it u can make one in 5 min but u can also do one that takes longer
Good oxygen usage during exercise, low resting heart rate, and good step- test results, are some of the GOOD things that come from regular exercise.
High blood pressure <em>(A)</em> is one of the BAD things that happen to people who DON't exercise regularly.