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| Study of the form or structure and arrangment of the body parts and their relationship |
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| the study of the function of the body parts or structures and their relationship in maintaining life processes |
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there are six levels
. Chemical level
. Cellular level
. Tissue level
.Organ level
Organ system level
. Organismal level
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the simplest level and it includes all of the chemical substances essential for maintaining life
these substance made up of atoms |
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| the smallest unit of matter |
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| anything that takes up space and has mass |
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.atoms combine to form____
. Which may be simple or complex |
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.Different types of molecules combine to form_____
"little organ"
. are specific structure that carry out specifuc function. |
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____is the basic unit of structure and function and of life
_____ vary in size, shape, and function, and may contain many tupes of organelles
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are the groups of similar cells that perform a specific function.
Four major types of tissue
epithelial tissue
connective tissue
muscle tissue
nervous tissue
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Definition
It is found lining body cavities and cover the surface of the body.
It functions in protection, secretion, and excretion. |
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| It is found on the surface of and in organs and tissues and functions in protection, support, and attaching organs and tissues to each other and the walls of body cavities. |
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It functions in the movement of body parts and organs, and in the movement of substances throughout the body.
There are three major types co musle tissue
Skeletal muscle
Cardiac muscle
Smooth muscle |
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Term
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Definition
| It is found attached to and covering bones. It functions in body movement |
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Definition
| It is located in the heart wall. It functions in the contraction and relaxation of the heart as it beats |
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| It is located in the wall of the internal and visceral organs. It functions in moving substance throughout the body |
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| It is located in the brain and spinal cord, and extend to various tissues and organs. It functions in transmitting electrical or nerve impulses from external and internal environments to the brain and spinal cord where it is interpreted and a response occurs |
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| are groups of two or more types of tissue working together to perform a specific function |
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are groups of organs that work closely together to perform a common function.
There are eleven organ systems
Integumentary system, Muscular system, Skeletal system, Nervous system, Endocrine system, Cardiovascular system, Lymphatic system, Respiratory system, Digestive system, Urinary system, Reproductive system.
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| the highest level of structural organizarion and it consists of groups of organ systems working together to maintain the body structure and function. |
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Organ system work together to maintain internal environment that is faily constant , stable, and balanced
"to stay the same". Change does occur, but within verry narrow range of limit |
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Water-necessary for chemical reaction and excretion and secretion, oxygen-require metabolic reaction that break down nutrients and provide energy,nutrients-provide energy for cells and cell processes, appropriate body temperature-must be maintained within certain range for chemical reaction and cell processes perform effeciently(if the body temperature falls too slow or increases to high, the chemical reaction will slow down or may stop, atmospheric pressure-the force of air on the body surface by the weight of air
It is important in breathing and exchange oxygen and carbon dioxide in the lungs |
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consists three parts
receptor
control center
effector |
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| it responde to sentory stimuli from the internal and external environment. The information sent along afferent pathways to control center |
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| it consists of the brain and spinal cord which interpret and analyze the information and determine an appropriate response. The information is sent along efferent pathways to the effector |
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| It consist of tissue, organs, and gland that perform a motor response to the original stimulus that was received by receptor. |
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If response slown down or inhibit the stimulus, it is negative feedback mechanism.
If response speeds up or enhances the stimulus, it is positive feedback mechanism.
Most control mechanisms for homeostasis in the human body are negative feedback mechanism |
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