The SA Node is the heart's normal pacemaker. When the SA Node depolarizes, electrical signal spreads through the atrial muscle causing contraction.
Explanation:
Inherent rhythmicity / automaticity - The property of the pacemaker cells of the heart to start electrical sequence of depolarization and repolarization.
SA Node or Sino-atrial Node generates the electrical signal.
The electrical signal passes through internodal pathways, atrial fibres, atrioventricular node (AV Node), the bundle of His, Purkinje fibres, right bundle branch, left bundle branch.
Systole - Contraction of cells when the electrical signal of depolarization reaches the contractile cells.
Diastole - Relaxation of cells when the electrical signal of repolarization reaches the myocardial cells.
The Nemours Foundation specializes in providing health care to children.
Well the way u CAN get infected with HIV is if u have any contact with the person such as tears saliva blood ect any body fluids. u honestly cant get it by sharing a lipstick or something that's what my health teacher told me last year and for some reason I didnt believe that but it's TRUE I guess? still wouldnt do it tho. so basically u cany really get infected unless u come in contact with the body fluids of the person who has the HIV
Answer:
there isn't really an exact answer. Some people get diabetes genetically, but for the most part if you eat a lot of sugar overtime it will eventually lead to diabetes.
Answer:
No
Explanation:
imagery woud be describing the rose/
