Terre+Frye

The human body contains the head, neck, torso, two arms, and two legs. The height of the average human body ranges from 5 to six feet tall. By the time you are an adult your body has been made up of 100 trillion cells, 206 bones, and 600 muscles. some systems of the human body are the circulatory system, respiratory system, Immune system, skeletal system, excretory system, urinary system, muscular system, endocrine system, digestive system, nervous system, and the reproductive system. Every inch of the body has about 19 million skin cells and about every hour 1 billion human cells are replaced and renewed. It's said that you blink over 10,000,000 times per year and that the brain weighs about three pounds.
 * ABOUT THE HUMAN BODY**

Ways to keep the body healthy are to eat 3 to 5 meals per day, sleep between 7 and 8 hours each night, you must exercise and be active, keep a good nutrition and eat the right things, take vitamins, cut back on smoking and drinking along with any drug use, keep your body clean, and drink 6 to 12 glasses of water per day. To exercise is to run and just stretch your muscles to you wont be stiff and it helps keep muscles young.
 * WAYS TO STAY HEALTHY**

The start of the digestive system begins with the mouth where food is broken down and processed by chewing, once thats done the food enters the esophagus which is tube that runs from the mouth to the stomach. It then reaches the stomach which is a large sack with organs and food, the sack cleans the stomach with gastric acid. its mixed with chryme. The end of the digestive is where he waist is stored and and is exported to the anus. A malfunction that can happen in the digestive system can be that you have bad tonsils.
 * DIGESTIVE SYSTEM**

The respiratory is the inhaling and exhaling of the human body the lungs and the heart is what helps your body do this. The air enters the body threw nostrils, passes the oral pharynx, then the glottis, into the trachea, threw the left and right bronchi which gets rid of alveoli. Breathing gets help from both the abdominal cavity and thoracic cavity. When you inhale your body lifts you ribs up and out. Exhaling is the exact process in reverse and you do this about 18 times per minute exhaling about 50 ML of air. Respiratory can be bad if you as asthma.
 * RESPIRATORY SYSTEM**

The circulatory system is the part of the body that passes the nutrients, and is made up of vessels and muscles that help control blood flow. Its responsible for transporting materials through out the whole body. It contains leaving the heart, from left ventricle into the aorta leaving it full of oxygen on its way back to the heart it travels through the veins system and reaches the lungs turning it into carbon dioxide which is a waste product that is inhaled through the lungs. This system also has the brain that beats 100 times per minute. The heart has red blood cells that carries nutrients to cells in your body. A disorder that can happen in the circulatory system is diabetes.
 * CIRCULA**TORY SYSTEM

The nervous system is what tells you to see, hear, smell, feel, taste, think, and dream. Its made up of your brain and spinal cord that goes all over your body. your brain uses the information from you spinal cord that tells you body how to feel which coordinates all of the reactions you have such as hunger, and fear, hot, cold and Ect. Your body receives the reactions by electricity inside of your body. Nerves are neurons that run throughout the entire body. An example of a nervous system disorder is blindness or being mute.
 * NERVOUS SYSTEM**

The body has three types of muscles which are skeletal, cardiac, and non strained muscles. Muscles help you have balance, strength, posture, movement, and heat within the body to stay warm, Muscles that provide binding and attachment are called myosin heads. that help you have style to your body. Muscles gives you the strength and power that gives you calcium and protects the body. Different types of muscles run through out your entire body, an example of muscular disorder is restless leg syndrome.
 * MUSCULAR SYSTEM**

The skeletal system is the body made up of bones called tendons, and cartilage that keeps them put together. this helps the human body move around and it also protects us from just flopping on the ground. The heart and other organs sit in between sets of bones o keep them from malfunctioning. The spine helps your body gain structure. The average human is born with around 300 bones, but by the time we are human adults we only have 206 because of the bones growing together and becoming more strong. An example of a bone disorder is spinal bifida.
 * SKELETAL SYSTEM**