The parathyroid glands are four small glands placed two on each side of the thyroid gland in the neck. The hormone secreted by the parathyroid gland is parathormone which controls the amount of calcium in blood and bone. Over-secretion of parathormone causes calcium and phosphorous depletion from the bones and the teeth, and increase in […]
Saul was the king of Israel but he kept disobeying God. So, God asked Samuel to find a new king. He sent Samuel to the house of Jesse and asked Samuel to anoint one of Jesse’s eight sons. Jesse brought his seven sons to let them meet Samuel but God had chosen none of them.
The thyroid gland is located just below the larynx. The principal hormone secreted by this gland is the thyroxine hormone which regulates the metabolism in the human body, such as maintaining normal blood pressure, heart rate, digestion, muscle tone and reproductive functions. The thyroid gland plays a vital role in the growth of bones and
The pituitary gland is a pea-sized gland that lies at the base of the skull, in the brain. It is considered as the master gland because it produces hormones that regulate hormones produced by other glands and exerts considerable control over the various bodily functions. The gland produces various hormones as–anti diuretic hormone (ADH), growth
The Israelites, once again, sinned and turned away from God. As a result, the Philistines enslaved them for forty years. But all was not lost yet. An Israelite man called Manoah lived with his wife in the town of Zorah. Manoah and his wife were loyal to God. But they were not able to have
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The pineal gland is a small endocrine gland situated in the upper part of the brain. It looks like pine cone (name derived from the Latin word pinea) and is red in colour. It secretes a hormone called melatonin. Melatonin controls the skin colouration and affects the reproductive process.
Hormones are chemicals that are secreted in small amounts in one part of the body (endocrine gland) and then they travel through the bloodstream to control the activity of some other part of the body (target cell). The glands that produce hormones are principally controlled by the brain. Hormones speed up or slow down or
The Israelites reached Mount Sinai after three long months of travelling in the desert.They pitched their tents near the mountain and decided to stay there for a while. It was at Mount Sinai that God gave instructions to the people of Israel through Moses. At the foot of this mountain, Moses built an altar with
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The endocrine system is a series of glands that are spread throughout the body. These glands secrete regulatory chemicals called hormones or chemical messengers that control bodily functions. So, in short, the endocrine system is a collection of glands that control the various functions of the human body by secreting hormones. Hormone is the main
Respiration is a process in which oxygen is taken in and carbon dioxide is given out of the body. The cells use oxygen to produce energy and carbon dioxide is generated in the process. The human lung is the main organ in the respiratory system, which performs two important functions: inhalation and exhalation. The whole
Moses led the Israelites out of Egypt. They took their belongings and their cattle with them. God went with them, guiding them onto the right path. He took them through a desert. Following God’s command, the Israelites took a roundabout route through the desert. God did not want them to change their minds and return
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Asthma is a disease which makes breathing difficult. Asthma attacks all age-groups but often starts in childhood. The main reason behind asthma is inflammation in air passages that carry air to and fro from the lungs. These inflammations make the airways narrower. Due to the narrow airways, less air can pass through them, which in
An arched muscle separating thoracic cavity (chest region) from the abdominal cavity, located below the lungs, is called the diaphragm. It helps in respiration process. During breathing in the diaphragm flattens while during breathing out the diaphragm relaxes and becomes arched again. The diaphragm also compresses the abdominal cavity when the inhalation of oxygen occurs.
Each lung is surrounded by a double serous membrane, the pleura. The part of the pleura covering each lung is called the visceral pleura. The pleura lining the ribs, is the parietal pleura. With each breath, the lungs expand and contract. The whole inner lining that covers the lungs and the ribs secretes mucus which
