Pharynx The pharynx is a muscular tube which extends from the base of the skull to the oesophagus. It makes a bridge between the nasal cavity and the larynx and the oesophagus. It is common to both the respiratory tract and the digestive tract. In the respiratory tract it acts as an air passage during […]
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Nasal Cavity The nostrils open into the nasal cavity which is the space inside the nose between the base of the skull and the roof of the mouth. It connects the nostrils to the upper part of the pharynx (throat). The whole cavity is covered with mucous membrane (lining that secretes slimy fluid) and tiny
Respiratory System The respiratory system is a set of organs that help a human being to breathe. Breathing is the process of inhaling oxygen and exhaling carbon dioxide. The respiratory passage consists of the nose, nasal cavity, pharynx, trachea, bronchi, lungs and diaphragm. Human beings can involuntarily control the process of breathing but overall the
Food is composed of carbohydrates, proteins, fats, vitamins, minerals and water. The digestive enzymes secreted by the digestive system helps break down the complex nutrients into simpler form. The various enzymes secreted by the human body are: Major Digestive Enzymes Enzyme Produced In Carbohydrate Digestion : Salivary amylase Salivary glands Pancreatic amylase Pancreas Maltase Small
The morning after Sabbath (a day of religious observance and abstinence from work), Mary Magdalene (follower of Jesus) visited the tomb of Jesus. The stone at the mouth of the tomb had rolled away! When she stepped inside, she was shocked. Jesus’ body had disappeared! Mary started crying. Suddenly, two angels appeared and asked Mary
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The Jewish leaders had declared Jesus to be guilty. But Pontius Pilate, the Roman Governor, had to pass the final sentence. So, Jesus was brought in front of Pilate, who asked Him if He was the King of the Jews. Jesus replied, “Yes!” Pilate asked Jesus whether He had heard the accusations against Him. He
Jesus sent His two disciples, John and Peter, on the way to Jerusalem to prepare the Passover supper for Him and all His disciples. The supper was to be held in a house in Jerusalem. Jesus had instructed John and Peter before they left, “As soon as you reach the city, you will see a
One day, the tax collectors and the sinners had all gathered around Jesus. The Jewish spiritual leaders, known as Pharisees, murmured, “This man welcomes sinners and eats with them.” They thought that Jesus was wrong to be with people they considered as bad. Since Jesus knew what they were thinking, He decided to teach the
One day, after feeding thousands of people and sending them away, Jesus wanted to pray alone. He made His disciples get into a boat and go ahead to the other side of the Sea of Galilee. He himself, then, went up the hill to pray Several hours later in the night, the disciples were caught
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The bile is a liquid secreted by the liver. It plays an important role in the digestion of food. The bile is composed of bile pigments, bile salts, cholesterol and phospholipids. The bile helps break down fats and in the activation of enzymes required for the digestion of fat. The human body secretes approximately 1
The liver vessels help in the transport of substances to and from the liver. Four vessels of the liver are as follows: (1) the hepatic artery that arises from the aorta and supplies oxygenated blood to the liver; (2) the portal vein supplies oxygenated blood to the liver; (3) the hepatic vein returns the blood
Jesus was once invited to the house of a man named Simon, in a town called Nain. Simon was a Pharisee, which meant he lived strictly on the basis of Jewish law. In those days, a number of customs were followed when one visited someone’s house. The guest would be greeted with a kiss of
Liver The liver is the largest gland in the body, divided into two main lobes, the right and the left. It secretes bile into the small intestine. It is the largest chemical factory that carries out most of the intermediate metabolic functions. For example: (1) it breaks down and builds up new biological molecules, stores
