A very narrow organic flexible tube
they look like worms
A venule is a very small blood vessel. It drains a capillary bed and meets up with other venules which drain blood into larger vessels called veins.
White Blood Cells are roundish in shape, with a rough texture. They are like elastic, they are flexible so they fit through the walls of a capillary, to attack, kill and digest an infection.
I dont know why you dont look in a book.
go look in your book punk
He likes you.
Does he look at you a lot, does he talk to his friends and look at you then smile and look away... If he does he likes you he's just shy
They do exist they are called actually just look in your book seriously wikipedia doesn't have all the answers
OK do u mean twilight book or in the seres If you mean the book then i will look trew it and get back on here and tell you girl likes vampire, vampire likes her but wants to drink her blood. he doesnt drink her blood and its somehow suppose to be herioc. end of story.
Anton van Leeuwenhoek uses simple microscope to Look at blood,insects and pond water,he was the first person to describe cells and bacteria
If a boy is shy of a girl and likes to look at her it means he likes her.
1. look down2. if he is pointing at you he likes you
well it could but it may mean u just look like the guy she likes