Answer: A - schedule at least 60 minutes of physical activity every day.
Answer:
It is normal for there to be veins visible underneath the tongue, partly because the mucous membrane is so thin and translucent in this region, but where these vessels become dilated and tortuous, they may appear round and black like caviar.
Just walk out and if you end up getting in trouble tell them you really needed to go and couldn't wait anymore.
