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
 * **Explanation**


 * 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** ||
 * ** The Heart and Cardiovascular System

How does the Heart and Cardiovascular System Work? **

 

__** The Heart and Cardiovascular System **__

The heart is a muscle, about the size of your fist on the left of the centre of the chest. It acts like a pump sending blood around the body. Blood provides your body with oxygen and nutrients and carries away waste. The right side of the heart receives blue blood from the body and sends it to the lungs to collect oxygen. The left side of the heart collects red blood from the lungs and sends it around the body.  || **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 ** ||