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In the study of life, an organ refers to a self-contained group of tissues that perform specific functions. In the human body, these include the heart, lungs, liver, kidneys, and stomach. The English word organ derives from the Latin organum, meaning “instrument.”
See the fact file below for more information on Organs, or you can download our 26-page Organs worksheet pack to utilize within the classroom or home environment.
Key Facts & Information
MAJOR INTERNAL ORGANS
- A fist-sized organ, the heart, circulates blood throughout the human body. It serves as the circulatory system’s main organ.
- The heart is found in the thoracic region near the middle of the chest and is enclosed in a pericardial sac, tilted to the left, and the size of an adult fist.
- Furthermore, it is the muscle that powers the body’s circulatory system, wherein it beats as it pumps blood throughout your body.
- All parts of the human body receive oxygen and nutrition from blood, which also removes waste material and excess carbon dioxide.
How to take care of your heart
- Because the heart is a crucial organ, even slight anomalies or dysfunctions may have profound effects on people’s health.
- A person must eat foods that support heart health by lowering cholesterol, blood pressure, and inflammation in order to take care of their heart.
- To support optimal heart health, it is also vital to receive the seven to nine hours of sleep every night that is advised. One can strengthen and train the heart in various ways by mixing up the workouts one does each day.
- One of the most significant organs in the human body is the brain. All the characteristics that define humans are controlled and coordinated by it, including the ability to think and feel, as well as the capacity for memories and emotions.
- Even though the brain only weighs three pounds, it is a very complicated organ with several parts.
- The central nervous system includes the brain, which serves as the body’s control system (CNS). It is connected to the spine and regulates vital life-sustaining functions such as personality, movement, breathing, and other bodily functions. It is the body’s most complicated organ.
How to take care of your brain
- How well a person’s brain functions determine how healthy their cognitive system is. These include learning new things, using language, and remembering things.
- Remember, a healthy body and mind are equally vital.
- The kidneys are two bean-shaped, fist-sized organs situated on either side of the human spine, immediately below the rib cage.
- Through urine, the kidneys are in charge of eliminating waste materials, medications, and toxins.
- The kidneys serve as incredibly effective filters, removing waste and poisonous substances from the body while reintroducing vitamins, amino acids, glucose, hormones, and other essential nutrients into the bloodstream.
How to take care of your kidneys
- An individual can maintain healthy kidneys by having a healthy lifestyle.
- Some habits that can keep our kidneys healthy include regular exercise, which can reduce the risk of developing a renal illness, as well as consuming fresh produce low in sodium, such as cauliflower, blueberries, whole grains, salmon, apples, peaches, apricots, papayas, and so forth, are
- The most important thing is to drink plenty of water since it helps the kidneys remove waste and poisons from the human system.
- The liver is the body’s largest solid organ. It is in the right upper abdomen, below the rib cage of the human body.
- This internal organ is responsible for hundreds of other critical functions, such as removing contaminants from the blood supply, regulating blood clotting, and maintaining healthy blood sugar levels.
- The lungs are the organs of the respiratory system that help the body get oxygen constantly.
- Its function is to draw air in from the atmosphere and transport oxygen into the blood, where it then circulates to the rest of the body.
How to take care of your lungs
- One of the easiest methods to look after your lungs is to avoid smoking or giving up the habit. Cigarette smoking is a particularly significant contributor to lung cancer and COPD.
- Diets high in fresh fruit and fish have been linked in studies to advantages for lung health. Furthermore, getting enough water is beneficial for the human lungs.
- Staying hydrated keeps the mucosal lining of the lungs thin, which improves the efficiency of one’s lungs.
MAJOR EXTERNAL ORGANS
- Despite having a straightforward structure, hair plays a crucial role in social interaction. Keratin is a hard protein that makes up hair.
- The hair performs a number of other tasks, such as communication, thermoregulation, protection, and sensory input.
- The eye is a sensory organ that functions by gathering light from the surrounding environment and transforming it into nerve impulses. The eye is a crucial and among the most intricate sense organs that humans have.
- It aids in in-depth perception, light perception, and color perception, in addition to helping with object visualization.
- The skin, the largest external organ of the body, protects the human body from viruses, controls body temperature, and provides touch sensations.
- The epidermis, dermis, and hypodermis are the three main layers of the skin.
How to take care of the skin
- Sun protection through natural avoidance and applying sunblocks are among the most important steps you can take to protect your skin. In addition to raising the risk of skin cancer, a lifetime of sun exposure can result in wrinkles, age spots, and other skin issues.
- It is essential to use sunscreen with an SPF of at least 15 and to remember to avoid the sun between 10 and noon till 4 p.m. when the sun is the brightest.
- Between the eyes lies the nose, a significant structure that houses the olfactory organ and acts as the entryway to the respiratory system. The sense of smell is served, the air is filtered, warmed, and moistened, and it is cleaned of foreign matter drawn out of inhalations.
- The mouth, also known as the oral cavity, is the first section of the digestive system. Its purposes include human speech and entry to the human digestive tract, starting the digestive process by producing saliva and propelling the nutritive bolus into the throat.
- In the broadest meaning, the term “human leg” refers to the entire lower limb of the human body, which may include the foot, thigh, or even the hip.
- The primary function of the human leg is to move the body, typically through walking or running as well as standing.
- The grasping organ at the tip of the forelimb of some vertebrates, known as the hand, has significant mobility and flexibility throughout the digits and the entire organ. The hand’s job is to grip, grasp, and perform other precision movements.
TAKING CARE OF EXTERNAL ORGANS
- Since the external organs are located outside the body, each one needs to be protected in order to maintain the health of the entire organism. If these organs are cared for and kept clean, the body is more likely to contract infectious diseases.
- It is important to maintain excellent hygiene, such as regular bathing, washing and disinfecting hands after touching objects, paying particular attention to cleaning specific body regions, and other practices.
- The general count of human organs is 78. What you have learned are the major ones. Can you name the other organs? Remember, every organ is important!
This is a fantastic bundle that includes everything you need to know about Organs across 26 in-depth pages. These are ready-to-use worksheets that are perfect for teaching kids about an Organ, which refers to a self-contained group of tissues that perform specific functions.
Complete List of Included Worksheets
Below is a list of all the worksheets included in this document.
- Organs Facts
- Breathing Organs
- Delivering Organs
- Nourishing Organs
- Cleaning Organs
- Relay Organs
- Reproducing Organs
- Organ Protectors
- The Largest Organ
- Keep them Healthy!
- The Belly and the Members
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Link will appear as Organs Facts & Worksheets: https://kidskonnect.com - KidsKonnect, November 10, 2022
Use With Any Curriculum
These worksheets have been specifically designed for use with any international curriculum. You can use these worksheets as-is, or edit them using Google Slides to make them more specific to your own student ability levels and curriculum standards.