Science- Module-1 - Lecture notes 1 PDF

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MAJOR ORGANS OF THE BODYG r a d e 4 – S t.S C I E N C ESECOND QUARTERModule 1N a m e o f P u p i lR EE E. ADEVALord, we offer to you our class today. We pray that through yourDivine Guidance, we would learn how to listen attentively to the inputs ofour teacher. May we appreciate his/her effort in im...

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SCIENCE SECOND QUARTER Module 1 MAJOR ORGANS OF THE BOD

Name

of

Pup

G r a d e 4 – S t.

R.VEE

E. A ADEV DEV

Lord, we offer to you our class today. We pray that through your Divine Guidance, we would learn how to listen attentively to the inputs of our teacher. May we appreciate his/her effort in imparting his/her knowledge to us. May we participate actively in the discussions and activities, so we could learn more while having fun. May we value each other’s contributions as a building block towards harmony and peace. Grant that as we interact with one another, we recognize the fact that all our learning activities should be accomplished for your greater glory. Grant that we recognize YOU in each of our classmates and teachers. All these we ask in your powerful name. Amen.

Do you know that?

Adults and babies alike dream for around two hours per night—even those of us who claim not to. In fact, researchers have found that people usually have several dreams each night, each one typically lasting for between five to 20 minutes. During a typical lifetime, people spend an average of six years dreaming.

 You Forget Most of Your Dreams  Not All Dreams Are in Color  Men and Women Dream Differently  Animals Probably Dream  It's Possible to Control Your Dreams  Negative Emotions Are More Common  Blind People May Dream Visually  You Are Paralyzed During Your Dreams  Many Dreams Are Uni

Overview: The human body is like a machine that is uniquely designed to perform different tasks made up of many cells, tissues, and organs that play specific roles. Organs also work in tandem to form different organ systems with different functions as well. Each internal organ of the human body has its own parts and functions, and serves its own importance as it is being used on a daily basis. Every individual may look differently, but the inside body parts share identical components. They are composed of major internal organs that can be easily recognized such as shape, size, function, and location as well.

Hi there!! Our topic for this week is all about The 14 Major Organs in our Body.

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Organ

Brain

Heart

Lungs

Liver

Stomach

Small Intestines

Function

Illustration/ Image

The brain is one of the most important organs in the human body and is responsible for the major actions performed by the body. Without the brain, a series of complex actions will not be possible. The brain is the one that allows you to think and controls the other body parts. The heart is a hollow, muscular organ located in the chest cavity between the lungs Its main function is to pump blood through the blood vessels by repeated rhythmic contractions. The blood needs to circulate in order to put oxygen into the blood and take the carbon dioxide out. Our chest contains a pair of lungs, which are made up of sections called lobes. One lung is located on the left side of the chest and the other lung is on the right side of the chest. Because they are soft, the lungs are protected by the ribcage. The main function of the lungs is to combine oxygen with the blood and to eliminate carbon dioxide. The liver, as the filtering machine of the body is located on the right side of the abdominal cavity below the diaphragm. Its primary function is to take away toxins out of the blood. As part of the body’s normal function, it produces toxins to break down proteins, maintains cholesterol and glucose levels in the blood and even secretes chemicals that break down fats and converts glucose to glycogen. Another important internal organ of the body is the stomach. It is an elastic, large, muscular, shaped bag with a multi-chambered organ located crosswise in the abdominal cavity beneath the diaphragm. Its main function is for the digestion of food. It produces gastric juices that break down, mix, and churn food being taken to become thin liquid. The small intestine is an organ made up of three segments. It is formed through a passage from your stomach going to your large intestine; the opening between your stomach and the small intestine is called pylorus. The main function of the small intestine is to break down food, absorb nutrients needed for the body, and get rid of the unnecessary components.

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Large Intestines

Kidneys

Gallbladder

Pancreas

Spleen

Your large intestine measures about 1.5 meters (5 feet) long. It is much broader than the small intestine. It takes a much straighter path through your belly or the abdomen. Its main function is to absorb water and salts from the material that has not been digested as food. It also helps get rid of any waste products left. Most digestion and absorption has already takes place by the time the food is mixed with digestive juices as it reaches the large intestine. The kidneys are best described as two bean-shaped organs located at the back of the abdominal cavity, one on each side of the spinal column that filter the blood in the human body. Their major function is to sustain the body, s chemical balance by getting out waste products and excess fluid in the form of urine. To break down the nutrients, chemical reactions happen in the cells of your body. The gallbladder, one of the body's smallest organs, is a hollow system sit ting just beneath the liver. It acts as a reservoir for holding bile on its way from the liver to the intestines. The gallbladder is the organ that receives the bile from the liver and stores it until it is needed in the digestive system to break down fats and cholesterols. An adult gallbladder measures approximately 8 centimeters (3.1 in) in length and 4 centimeters (1. 6 in) in diameter when fully distended. The pancreas is an elongated, tapered organ located across the back of the abdomen, behind the stomach. The right side of the organ (called the head) is the widest part of the organ and lies in the curve of the duodenum (the first section of the small intestine). The tapered left side extends slightly upward (called the body of the pancreas) and ends near the spleen (called the tail). The pancreas secretes digestive juices into the small intestines. It produces enzymes that break our food down small enough to be absorbed into our body and produce the hormones Insulin and glucagon. The spleen is a brown, flat, ova shaped lymphatic organ located in the upper left part of the abdomen under the ribcage that filters and stores blood to protect the bod from infections and blood loss. It works as part of the lymphatic system to protect the body, clearing worn out red blood cells and other foreign bodies from the bloodstream to help fight infection.

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Urinary Bladder

Bones

Muscles

The urinary bladder, characterized as a hollow, muscular, elastic organ is located in the pelvis, just above and behind the pubic bone. Its main function is to collect urine excreted by the kidneys before disposal by the process called urination. Once it is empty, the bladder is about the size and shape of a pear. The bones are the framework of the body that support and protect the various organs of the body. They are a combination of several kinds of tissues and contain blood vessels and nerves. Bones are attached to each other at a joint. There are about 275 bones at birth. As a person grows, many of these bones are fused together; in an adult human, the skeleton is composed of 206 bones. You have learned that bones and joints help you move However, bones and joints cannot do this job alone. Muscles work with your bones to help you move. The bones of the human body have no way of moving themselves without the muscles attached to them. Muscles are the "engine" that your body uses to propel itself. Everything that you conceived with your brain is expressed as muscular motion

Arrange the jumbled letters to form a word that is connected to organs of our body.

1. G I E N N E 2. D E T E C R E X 3. T I O N S C A R T O C N 4. M E S Y Z N E 5. L U D I F

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Identify the organ. 1. The organ that receives the bile from the liver. 2. It is an elastic, large, muscular, shaped bag with a multichambered organ located crosswise in the abdominal cavity beneath the diaphragm 3. Its main function is to absorb water and salts from the material that has not been digested as food. 4. The blood needs to circulate in order to put oxygen into the blood and take the carbon dioxide out. 5. It works as part of the lymphatic system to protect the body, clearing worn out red blood cells and other foreign bodies from the bloodstream to help fight infection.

Assessment Write down 5 things that you need to do in order to protect your major organs. Write it in a sentence. 1.

2.

3.

4.

5.

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