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Cellular Organization

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J DeVilbiss

on 17 December 2013

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Transcript of Cellular Organization

Cellular Organization in Animals
Specialized Cells
In multicellular organisms, cells are specialized to perform specific functions. Each specialized cell has specialized structures to help it perform these functions.
Tissue Organization
Cells are able to recognize one another based on the carbohydrates and proteins that are present on the outside of the plasma membrane.
Types of Tissues
Connective Tissue
- supports and binds other tissue
All of the cells, tissues, organs, and organ systems together create the organism as a whole.
Cells with similar structure and function are organized together to form tissue.
Nervous Tissue - transmits messages in the form of impulses
Muscle Tissue - produce force or cause motion, consists of four types: cardiac, smooth, and skeletal
Epithelial Tissue - covers the surface of organs and serves to protect against microorganisms, fluid loss, and injury
Organs are self-contained and perform specific vital functions. They are made up of one or more types of tissue.
Organ Systems
Organs work together to perform a certain task. There are many organ systems in the human body.
Circulatory System
Functions to move blood rapidly through the body to supply cells with oxygen and nutrients.
Immune System
White blood cells, lymph vessels and nodes, spleen, thymus, and other lymphatic tissues

Reproductive System
Male: Testes, penis, and associated ducts and glands
Female: Ovaries, uterine tubes, uterus, vagina, mammary glands

Urinary System
Kidneys, bladder, and urethra

Respiratory System
Mouth, nose, trachea, lungs, and diaphragm

Includes the heart, blood vessels, and blood.
Digestive System
Digestion and absorption of nutrients and water.
Mouth, pharynx, esophagus, stomach, intestines, salivary glands, pancreas, liver, gallbladder

Endocrine System
Regulation and coordination of many of the bodies systems and activities.
Pancreas, testes, ovaries, hypothalamus, kidneys, pituitary, thyroid, parathyroid, adrenal, intestinal, thymus, and pineal
Defense against foreign organisms.
Protections against injury and dehydration, defends against foreign invaders, and regulates temperature.

Musculo-Skeletal System
Used for support, protection, and movement.
Cartilage, bone, ligaments, tendons, joints, skeletal muscle

Used for production of haploid cells, fertilization, and development of embryos.
Excrete organic waste, salts, and water to regulate plasma composition in the body.
Performs gas exchange, providing the body with oxygen and removing carbon dioxide.
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