What special properties of blood vessels allow one to feel a pulse?

Is twenty seven years old too young to be having problems with headaches and migraines? What blood types can conceive? What are the crus muscles? Will a muscle contraction will always promote movement of body parts regardless of how they are attached? How many times does a person crack their knuckles? Can your spine break? How do strains happen? What does it means if your cells get in the placenta? Can you use bengay for gout? Do they check your blood for transmitted diseases? What are cold sweats a symptom of? Do dandelion seeds cause blindness? What vein does the bubbles travel through get into the right atirum? How long does it take to push a baby out? Raised areas on lateral surface of humerus to which deltoid muscle attaches? Will bactrim treat staph infections? How is stress related to homeostasis? Does blood flow have to go through the pulmonary vein before it goes back to the heart? What does it feel like having your feet sniffed? What is a class 1 arterial road?