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Biology, Tissues and Organs

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Cindy Srinivasan

on 27 March 2013

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Transcript of Biology, Tissues and Organs

Biology!!! Tissues&Organs By:Cindy.S Muscular tissue is made from myocytes which when stimulated by the nervous system are capable of contraction and make movement possible. 3 types of muscular tissues:

Skeletal Muscle; Takes control for voluntary mouvements such as walking or lifting things.
Smooth Muscle; a involuntary muscle, is found in the walls of organs and other structures, functions are moving food through our esophogus and intestines
Cardiac Muscle; a involuntary muscle, is responsible for the contraction of the heart Biology is fun!!! Tissues Muscular Tissues Nervous tissue Organ Chart It
Connective Tissue-it's made up of cells,fibers & extracellular
matrix. Connective tissues links tissues to others, it also helps
give structure to the body & protects organs. Exp. Bones, tendons, cartilage, adipose tissue and blood.

Epithelial Tissues-it takes the form of sheets of closely connected
cells. These sheets line the surface of structures as well form
glands. Epithelial tissue protects the body from inguries & more.
They are also encharge for secretions. What are tissues and organs? Tissues are grouping of cells which share structure & function.4 major types of tissues; connective, epithelial, muscle and nervous. An organ is a structure that holds a minimum of 2 different types of tissues. Exp. The heart contains the 4 major tissues. Organs are then transformed into... organ systems. Exp. The cardiovascular system is made up of the heart and blood vessels. Made up of neurons, which send and receive signals within the nervous system and others.
Axons-structures that transmit signals to neurons or other cells.
Dendrites-structures that receive signals from neurons. Organ System Structure involved in the Organ System Function of the Organ System Circulatory System Digestive System Excretory System Nervous System Reproductive System Repiratory System Heart, blood & blood vessels Transports materials Mouth, pharynx, esophagus, stomach, small & large intestines, gall bladder, liver, pancreas, anus Breakdown of food, absorption of nutrients, removal of solid waste Kidneys, urinary bladder,urethra Liquid waste disposal(urine) Brain, spinal cord, nerve tissue, sensory organs Detection & response to the evironment Ovaries, testes, related organs Production & fertilization of gametes, gestation+childbirth Pharynx, trachea, lungs Exchange of oxygen & crabon dioxide gases
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