Chapter 13 study guide Flashcards
tissue that can contract or shorten
Muscle tissue
tissue that directs and controls the process of movement
nervous tissue
tissue that provides support for your body and connects all it’s parts, bone tissue and fat are connective tissues
connective tissue
tissue that protects the delicate structures that lie beneath it
epithelial tissue
a group of organs that work together to perform a major function
organ system
the breakdown of food into small molecules the body can use
digestion
the major organs of the excretory system
kidney
cells found in the kidneys that act as tiny filtering factories
nephron
where urine is stored until it leaves the body through the urethra
urinary bladder
disease-causing bacteria and viruses
pathogen
proteins that destroy pathogens
antibody
the ability to destroy pathogens before they can cause disease
immunity
the process by which an organism’s internal environment is kept stable in spite of changes in the external environment
homeostasis
the reaction of your body
stress
made up of all the bones in your body
skeleton
26 small bones that make up your back bone
vertebrae
a place in the body where two bones come together
joint
a strong connective tissue that holds together the bones in moveable joints
ligament
a type of connective tissue that most joints have
cartilage
beneath the bones outer layer is this layer of bone which is hard and dense, but not solid
compact bone
a type of bone that has many small spaces within it
spongy bone
soft connective tissue of the red and yellow kind
marrow
a condition in which the body’s bones become weak and break easily
osteoporosis
muscles that are not under your control
involuntary muscle
muscles that you can control
voluntary muscle
muscle that in attached to the bones of your skeleton
skeletal muscle
a strong connective tissue that attaches muscle to bone
tendon
muscles who’s cells appear to be banded
striated muscle
involuntary muscles that are not striated
smooth muscle
muscle found only in your heart
cardiac muscle
a push or pull on an object
force
when fore is exerted on an object that causes the object to move some distance in the same directions the force
work
a device that allows you to do work in a way that is easier or more effective
machine
a rigid rod that is free to rotate around a fixed pivot point
lever
the fixed point the lever rotates around
fulcrum
the force you exert on the lever
effort force
the distance you push down
effort distance
the fore the lever exerts on the object
resistance force
.the distance a lever pushes on an object
resistance distance
the number of times a lever increases a force exerted on it
mechanical advantage
the distance from the fulcrum to the resistance force
effort arm
the distance from the fulcrum to the resistance force
resistance arm
