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To view the Homepage click here. =Body Systems Defined=

1. What are Body Systems? - body systems are an organized group of tissue that forms a particular function. 2. List the Body Systems. · Circulatory · Digestive · Respiratory · Endocrine · Immune · Nervous · Reproductive · Skeletal · Excretory

3. List some ways that Body Systems interact. || Systems
 * Interaction ||
 * Circulatory and Respiratory || Lungs supply oxygen carried by blood to cells of the body ||
 * Circulatory and Digestive || Nutrients pass into the circulatory system to be carried to body cells ||
 * Circulatory and Excretory || Kidneys remove wastes from blood ||
 * Circulatory and Integumentary || Cooling through dilation of blood vessels near the surface of the skin ||
 * Circulatory and Integumentary || Platelets in blood seal cuts on skin ||
 * Circulatory and Skeletal || Production of blood cells in bone marrow ||
 * Nervous, Muscular and Skeletal || Daily movement and coordination ||
 * Nervous and Integumentary || Sense of touch ||
 * Muscular and Circulatory || Pumping of the heart & blood ||
 * Muscular and Digestive || Chewing, swallowing and movement of food through the digestive tract ||
 * Muscular and Respiratory || Movement of the diaphragm in breathing ||

4. What is a //Disease//?

Definition 1: "A disease or medical condition is an abnormal condition of an organism that impairs bodily functions, associated with specific symptoms and signs." Definition 2: An organ/part/structure/system of the body that does not work correctly which results in genetic errors, infections, or sickness

5. Define... · ** Extrinsic: **infectious, contagious; picked up or spread from the outside (e.g. flu) · ** Intrinsic: ** non-infectious, non-contagious disease (e.g. cancer) · ** Unknown: ** not known what causes it (e.g. Alzheimer’s)

6. What is Homeostasis?