T2+Explanation+Heart

L.I. To write an explanation with a growing understanding of the deeper features & surface features appropriate to genre **Explanation - Content/Ideas** === S.C. I have used diagrams/images to support my explanation. I can hear and see that all of my information relates to explaining how the heart works. === || **Features of an Explanation** ||
 * **Explanation**
 * ** The Heart and Cardiovascular System

How does the Heart and Cardiovascular System Work? ** || **Identify Purpose/Audience** Purpose is to explain how the cardiovascular system works Audience, people wanting to find out information about the cardiovascular system e.g student doing research

**<Heading**


 * 1) Statement or Question to be explained
 * How does the Heart & Cardiovascular System Work.


 * 1) Explanation arranged in sequence of steps
 * Heart = Muscle
 * 2 pumps atrium & ventricle
 * Brain sends a signal
 * Right ventricle = fresh blood to veins & arteries
 * Left ventricle = old blood, back to lungs for new oxygen
 * Heart pumps automatically
 * Heart rate increases with exercise or nervousness

**Time Connectives** First, Secondly, Then, Next, After that,

**Timeless present tense/Passive Voice** e.g. The heart pumps.. , Blood flows from .. , The brain sends..,

e.g. When exercising a persons heart rate increases ..
 * Exact details**

**Technical Terms Circulatory system, heart, ventricles, atrium, brain, blood, etc ** ||