It seems that you have missed the necessary options for us to answer this question so I had to look for it. Anyway, here is the answer. Varicose veins seen in the superficial veins of the legs are unsightly and often treated by surgically removing them. however, even without these veins being present, the return of all blood toward the heart from the legs is not diminished primarily because <span>blood can still return via the deep veins. Hope this helps.</span>
It occurs 14 days before the menstrual s
cycle
The answer is B. because lipids can make the body warmer :)))
i hope this is helpful
have a nice day
Answer:
They pick up oxygen from the lungs and drop off oxygen to the cells through the capillaries
