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Cell
The basic unit of structure and function
in living things
Cell
Membrane
The outside cell boundary that
controls which substances can enter or
leave the cell
Nucleus
The control center of a eukaryotic cell
that directs cell activities and contains
information that determines cell form
and function
Cytoplasm
The material within a cell apart from
the nucleus
Tissue
A group of similar cells that preform
the same function
Muscle Tissue
A body tissue that contracts or
shortens making body parts move
Connective
Tissue
Nervous
Tissue
Epithelial
Tissue
A body tissue that carries electrical
messages back and forth between the
brain and every other part of the
body
Organ
A structure in the body that is
composed of different kinds of tissue
A body tissue that provides support
for the body and connects all of its
parts
A body tissue that covers the surfaces
of the body inside and out
Organ
System
A group of organs that work together
to perform a major function in the
body
Homeostasis
The maintenance of stable internal
conditions in an organism
Stress
The reaction of a person’s body to
potentially threatening, changing or
disturbing events
Skeleton
The inner framework made of all the
bones of the body
Vertebrae
The small bones that make up the
backbone
Joint
A place in the body where two bones
come together
Ligament
Strong connective tissue that holds
bones together in moveable joints
Cartilage
A connective tissue that is more
flexible than bone and that protects
the ends of bones keeping them from
rubbing together
Compact
Bone
Hard dense bone tissue that is
beneath the outer membrane of a
bone
Spongy Bone
Layer of bone tissue having many
small spaces and found just inside the
layer of compact bone
Marrow
The soft connective tissue that fills the
internal space in bone
Osteoporosis
A condition in which the body’s bones
become weak and break easily
Involuntary
Muscle
Voluntary
Muscle
Skeletal
Muscle
A muscle that is not under conscious
control
A muscle that is under conscious
control
A muscle that is attached to the bones
of a skeleton and provides the force
that moves the bones
Tendon
Strong connective tissue that attaches
muscle to bone
Striated
Muscle
Smooth
Muscle
Cardiac
Muscle
Involuntary muscle found inside many
organs of the body
Epidermis
The outer layer of the skin
A muscle that appears banded also
called skeletal muscle
Muscle tissue found only inside of the
heart
Melanin
A pigment that gives the skin its color
Dermis
The inner layer of the skin
Pore
A opening through which sweat
reaches the surface of the skin
Follicle
Structure in the dermis of the skin
from which a strand of hair grows
Cancer
A disease in which some body cells
divide uncontrollably