The Liver is the largest organ. It is located behind the ribcage in the right upper part of the abdomen. The Liver cleans the blood, produces a digestive liquid called Bile and stores energy in the form of a sugar called Glycogen. After eating, the nutrients from the food pass from the intestine into the […]
When we eat, the food first enters the mouth. We chew and swallow the food. Food stays in the mouth for about 10 seconds. Then, it moves down the oesophagus. Food takes 5-6 seconds to move down the oesophagus. Next, it enters the stomach where it stays between 2-4 hours. It then moves down into
The Hyoid Bone is a horseshoe-shaped bone that is located within the neck. This bone lies in between the chin and the thyroid ligament. It is the only bone that is not connected to any other bones. The Hyoid Bone is the one and only bone of the throat. It is connected only by muscles
Taste Buds are sensory organs that are found on the tongue. They pick up different tastes. Taste Buds contain taste receptors. Most of the Taste Buds that sense salty or sweet tastes are near the front of the tongue. The Taste Buds for sour tastes are along the sides of the tongue. The ones for
Humans have two Lungs. They are protected by muscles and the ribcage. Lungs are situated below the trachea (the windpipe) and above the diaphragm. The primary function of the Lungs is to transport oxygen from the air into the blood while taking away carbon dioxide which is released into the air by breathing out. The
The Heart is a muscular organ that pumps blood to the body. It is located a little to the left of the middle of the chest. The Heart is about the size of a clenched fist. The right side of the Heart receives blood from the body and pumps it to the lungs. The left
Cheetahs are mostly found in Africa. They are the fastest land animals in the world. They like dry, open grasslands where they can run to kill prey. Cheetahs are the only big cats that cannot roar. While lions and leopards usually hunt at night, cheetahs hunt for food during the day. A cheetah has wonderful
Great White Sharks are found in waters around Australia, South Africa, California and Mexico. They can grow to more than 8 metres long and weigh well over 2,000 kilograms. When a Great White Shark is born, it swims away from its mother. At birth the baby shark is about 5 feet long. The pup, as
The Isabella Tiger Moth is found throughout the Arctic and other cold regions of Canada and the United States in prairies and open areas. They have furry-looking caterpillars which are known as Woolly Bears. The caterpillar of Isabella Tiger Moth eats herbs, grasses and leaves. Each winter it freezes, until at last it can pupate.
The Honey Badger is a fierce badger-like mammal found in Africa and India. It is also known as the Ratel. They are called Honey Badgers because they have a fondness for honey. They are adapted to survive in both wet and dry habitats. They have thick skulls inside their broad heads, small eyes and no
The Naked Mole Rat is a rodent. Africa is the native home of the Naked Mole Rat. These rats form colonies of 20 to 300 individuals. Each colony has its own queen, workers and guards. They dig a tunnel in the desert and grasslands where the colony can live. This tunnel system may stretch for
The Clownfish is also known as the Anemone Fish because it lives in community with sea anemones. There are 28 different species of Clownfish that inhabit Indian and Pacific oceans, Red Sea and Great Barrier Reef of Australia. Clownfish lives in the warm water, near the coral reefs. Clownfish species include yellow, orange, red and
The Ruffed Lemur lives in the rainforest in Madagascar, an island just off the coast of Africa. It stays up high up in the tree away from its main killer, the fossa. There are two types of Ruffed Lemurs: the black-and-white and the red. Ruffed Lemurs are named after the ‘ruff’ of long hair that
Sloths are slow-moving mammals. They live in Central and South America in the tall trees found in rain and cloud forests. Sloths sleep while curled into a ball in the tree. They also like to sleep hanging by their claws from tree branches. A sloth’s life revolves around sleeping and eating in its tree home.
Snails belong to a group of molluscs known as Gastropods that have coiled shells. There are approximately 43,000 species of snails. Snails live under logs, rocks and other forest garbage. Some live on trees and in shrubs. Snails live in moist environment that generally includes forests, as well as marshes, ponds and wetlands. Aquatic Snails