The cells in the heart need a constant supply of nutrients / oxygen and to get rid of their waste products ans that why it needs its own special circulatory system.
Live it and have as much fun as you can while youre still here, experience new things.
Answer:
Melanoma signs and symptoms
Explanation:
A large brownish spot with darker speckles.
A mole that changes in color, size or feel or that bleeds.
A small lesion with an irregular border and portions that appear red, pink, white, blue or blue-black.
A painful lesion that itches or burns.
Answer:
maybe running
Explanation:
what are the anwser choices
The ansewer is d. I don't really wanna explain it but I need more letters to post answer :)
