HEART
The heart is the most
important part of the body. It is the center of life. However, the heart is
only as big as a closed hand. ( General Classification)
The heart is a muscle
and it beats about seventy times per minute throughthout a person’s life. (Description)
The heart pumps blood
from your heart to all parts of your body. The heart is made up of four
chambers or small “rooms”. The top chamber are called the right and left
auriclesand the botttom chambers are the right and left ventricles. (Description)
When blood enters the
heart. It is in dark reddish color because it countains carbon dioxide. The
blood enters the right auricle and then the right ventricle. When the heart
contracts, it forces the blood to the lungs where the blood receives oxygen. It
then goes to the left auricle. The heart contracts again, and the blood goes to
the left ventricle and is then forced out into the body. The blood gathers
carbon dioxide and returns to the heart, and the process begins again. (Description)
PLANT
Plants are living
beings. They need food, water and air for survival. (General Classification)
Plants derive their food
from the earth and the air. If you look at their roots, you will find that ends
of these roots are like fine fibers. We call them root-hairs. They absorb water
and minerals, then transport them upwards to the leaves through the trunk and
the branches. It is the leaves which prepare the food. (Description)
The green material,
chlorophyll, prepares the food like a machine. It converts the carbon dioxide
taken from the air and water from the ground into sugar with the help of
sunlight. This chemical reaction is called photosynthes. In fact, the
chlorophyll takes energy from the sunlight and uses it to synthesize the
hydrogen from water and carbon from carbon dioxide for making sugar. This
reaction also gives out oxygen and water which are excreted by the leaves. (Description)
AUSTRALIA
Australia is a large
continent. It has six states and two territories.
The capital city of
Australia is Canberra. It is in the Australian Capital Territory.
The The population of
Australia is about 20 million. The first inhabitants to live in Australia were
Aboriginal people. After that people came from all over the world. The main
language is English, however many other languages are spoken.
There are many plants
and animals that are only found in Australia, e.g. kangaroos, platypuses, gum
trees and Waratahs.
The main products and
industries are wool, minerals, oil, coal, cereals and meat.
Some famous landmarks are
the Harbour Bridge, the Opera House and Uluru (Ayers Rock).
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