Heart Disease. Heart disease, or coronary artery disease, occurs when the blood vessels that supply oxygen to the heart narrow and stiffen. Smoking, an unhealthy diet, stress, and a sedentary lifestyle all increase the risk of heart disease. A heart attack or stroke can occur if the condition is untreated.he circulatory system consists of the heart, blood, and blood vessels, which transport nutrients and oxygen to all cells to keep the body in proper balance. The circulatory system is responsible for moving blood, nutrients, and gases to and from cells to keep the body in proper balance.
The use of first, second, and third person creates the perspective or point of view of a piece of writing. Writing in first person uses the personal pronouns I, we, me, and us, and the possessive forms my, mine, our, and ours; while second person uses you, and the possessives your and yours..
The definition of second is the next in order after the first. An example of someone who is second is the person who finished the race just after the winner. Second is defined as a repeat of something youâve already done.An example of second is the next trip taken to the buffet. The definition of a second is a small bit of time, with 60 seconds making up one minute. An example of a second is the time it takes you to say Mississippi.To second is to support someoneâs nomination or idea.n example of someone who is second is the person who finished the race just after the winner. Second is defined as a repeat of something youâve already done. An example of second is the next trip taken to the buffet.