The valves of the heart and veins are similar in that they both prevent the backflow of blood act as propellers to move blood forward prevent blood from flowing too quickly are made of rigid cartilage

Ihave a really high metabolism and only weigh 70 pounds (13 almost 14). people always ask me two questions: do you ever eat and how do you eat so much and stay so skinny.i am worried that a high metabolism wont me forever. what are some safe steps i can take to maintain being fit. (also, i already work out i am a dacer so i get cardio a lot)

Charlie has been having nightmares of late. he always thinks that there is an evil dragon waiting to pounce on him. what age is charlie most likely to be? a. one year old b. three years old c. seven years old d. nine years old

If a food worker does not properly wash their hands after using the restroom, this make food unsafe by