Naila :]

Naila :]

Monday, April 1, 2013

Post #10 Body System

 Organ System Organs Functions
 Nervous System spinal cord, nerves, and brain brain controls your nerves 
 Endocrine Systemglands and hormones regulates body by secreting hormones into the bloodstream; also controls growth, reproduction and metabolism.
 Digestive Systemstomach, mouth, esophagus, small and large intestines, and anusbreak food down into smaller pieces, or smaller blocks, so that by the time the food reaches the cells of your body, they are nothing more than tiny molecules. 
 Circulatory Systemheart, the lungs, and the blood vessels they work together to form the circle part of the circulatory system. The pumping of the heart forces the blood on its journey.
 Respiratory Systemlungs, airways, diaphragm, windpipe, throat, mouth, and nasal passages the process of breathing in and out through this system.
 Skeletal System bones and jawsholds organs in place provides structural support, stores minerals, and generates new blood cells  
 Muscular Systemthree types of muscles: skeletal, smoooth and cardiac  Each of these different tissues has the ability to contract, which then allows body movements and functions. 
 Integumentary Systemskin, hair, nails, and sweat glands  reacts to external environmental conditions and protects the body's deeper tissue
 Reproductive System females have a uterus and ovaries, while males have a penis and testicles male and female systems to produce offspring
Immune System
lymph nodes, tonsels, and spleen  protects body by fighting sickness and disease, such caused by viruses and bacteria
Excretory System
kidney and bladder  filters, collects, and removes, excess fluids and wastes, from the bloodstream

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