Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
30 Cards in this Set
- Front
- Back
cell membrane
|
the outside boundary of a cell; controls which substances can enter and leave the cell
|
|
nucleus
|
the control center of the cell that directs the cell's activities; contains the chemical instructions that directs all the cell's activities and determine the cell's characteristics
|
|
cytoplasm
|
the region of the cell located inside the cell membrane or between the cell membrane and the nucleus; contains a gel-like material and cell organelles
|
|
nerve tissue
|
a body tissue that carries messages back and forth between the brain and every other part of the body
|
|
muscle tissue
|
a body tissue that contracts or shortens,making body parts move
|
|
connective tissue
|
a body tissue that provides support for the body and controls all of its parts
|
|
epithelial tissue
|
a body tissue that covers the surfaces of the body, inside and out
|
|
organ
|
a structure in the body that is composed of different kinds of tissue
|
|
organ system
|
a group of organs that work together to perform a major function in the body
|
|
homeostasis
|
the process by which an organism's internal environment is kept stable in spite of changes in the external environment
|
|
stress
|
the reaction of a person's body and mind to threatening, challenging, or disturbing events
|
|
vertebrae
|
the bones that make up the backbone of an animal
|
|
marrow
|
the soft tissue that fills the internal spaces in bone
|
|
cartilage
|
a connective tissue that is more flexible than bone and that gives support to some parts of the body
|
|
joint
|
a place where 2 bones come together
|
|
ligament
|
strong connective tissue that holds together the bones in a movable joint
|
|
osteoporosis
|
a condition in which the body's bones become weak and break easily
|
|
involuntary muscle
|
a muscle that is not under your control
|
|
voluntary muscle
|
a muscle that you can control
|
|
skeletol muscle
|
a muscle that is attatched to the bones of the skeleton
|
|
tendon
|
strong connective tissue that attatches a muscle to a bone
|
|
smooth muscle
|
an involuntary muscle that is found inside many internal organs of the body
|
|
cardiac muscle
|
muscle tissue found only in the heart
|
|
epidermis
|
the outermost layer of the skin
|
|
melanin
|
a pigment that gives its skin its color
|
|
pores
|
an opening through which sweat reaches the surface of the skin
|
|
follicles
|
a structure in the dermis of the skin from which a strand of hair grows
|
|
dermis
|
the lower layer of the skin
|
|
cancer
|
a disease in which some body cells grow and divide uncontrollably, damaging the parts of the body around them
|
|
acne
|
a bacterial infection of the skin in which the oil glands become blocked and swollen
|