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21 Cards in this Set

  • Front
  • Back
what are the levels of organization in the human body
it consists of cells, tissues, organs, and organ systems
what is the function of the nucleus
it is the control center that directs the cell's activities and contains information that dtermines the cell's characteristics
what are the 4 basic tisues
connective, epithelial, nerve, andmuscle tissue
give an example of each level of organization
cells-brain cell, red blood cell
tissue-connective and nerve tissues
organ-liver, stomach
organ system-nervous and circulatory systems
what does the tendon connect
muscle to bone
what does the fascia connect
muscle to muscle
what does the ligament connect
bone to bone
describe what happens during the alarmstage of stress
the body releases adrenaline which provides a burst of energy and causes physical changes which prepare the body for quick action
what are 5 major functions of the skeleton
provides shape and support, enables you to move, protects your internal organs, produces blood cells, and stores certain materials until your body needs them like calcium
what do joints enable you to do
allow the body to make a wide range of movements
what are the 4 types of joints and an ex. of each
pivot joint- spine
gliding joint- wrist and spine
hinge joint- knee and elbow
ball and socket joint- shoulder, hip, and ankle
what are the 3 types of muscle tissue
skeletal, cardiac, and smooth
which type of muscle reacts and tires quickly
skeletal muscle
why must skeletal muscles work in pairs
because muscle cells can only contract they cannot extend
where is each type of muscle tissue found
skeletal-by the bones
smooth-inside many internal organs
cardiac-in the heart
4 habits to keep your skin healthy
eat properly, drink enough water, limit your exposure to the sun, and keep your skin clean and dry
epithelial tissue helps make parts of your body move

true/false
false, muscle tissue
the circulatory systemcarries needed materials to the bodys cells

true/false
true
spongy bone is filled with cartilage

true/false
false, marrow
the epidermis contains nerve endings and blood vessels

true/false
false, dermis
explain the relationship between cells, tissues, organs, and organ systems
cells make up organs the organs make up tissues the tissues make organ systems