What causes thighs to swell up?

Can an injection cause a sunken spot on your skin? How many issues have come out of billy bones how your body works? Why couldn't Thomas Edison hear with his left ear? Particules that can irritate your respiratory system or lungs are one form of? The digestive tube is composed of how many openings? Can you shorten your period? How can you contract diabetes? What is chills on the kidney? Can you get an STD from sharing shower utensils? Can you find out the sex of your baby from the date of conception? Your knees make crunching sounds while you are climbing the stairs or going down the stairs? What is the function of the following organs Heart Lungs Brain Stomach? What is watery discharge once during exercise? Does the cardiovascular system produce red blood cells? Can the pneumonia shot cause itching? What age group donates the most to charities? Desires for things that can be obtained by labor or through exchanges is called what? What are several lumps on the left side of your neck from behind the ear down to the middle of the neck that you hardly notice unless you push on them then they get a little painful? Can strep throat cause pink eye? Which eye color has the gene combination to deposit the most melanin in the iris?