Protects and supports body organs and provides a framework the muscles use to support movement. Made up of bones and joints.
skeletal system
an object made by a human being, typically an item of cultural or historical interest
artifact
the geographic coordinates that tell us where a place is located on the earth
absolute location
a mathematical phrase that includes one or more numbers and variables along with one or more arithmetic operations
algebraic expression
a member of the family that includes humans, their fossil ancestors and some of the
great apes
hominid
a mineral that mostly stored in the bones 钙
calcium
the knowledge, beliefs, customs and values of a group of people
culture
the distance east or west from the Prime Meridian
logitude
refers to constant and variable
mathematical quantity
a person from whom one is descended
ancestor
a strong, flexible tissue that covers the ends of bones
cartilage
the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock
fossil
the movement of people or animals from one place to another
migration
numerical factors in monomials
coefficient
a first-hand or contemporary account of an event or topic
Primary Source
the hard, outer portion of bones
compact bone
the study of the past based on what people left behind
archaeology
the distance north or south from the equator
latitude
a symbol,usually a letter,represents one or more numbers. Eg:a,x,n
variable
a document or recording that relates or discusses
information originally found elsewhere
Secondary Source
bone tissue with small holes that contains larger space in long bones
spongy bone
a membrane that surrounds bones. It nourishes bones.
a membrane that surrounds bones. It nourishes bones.
a place's location when compared to somewhere else
relative location
a mathematical phrase that includes one or more numbers and variables along with one or more arithmetic operations
algebraic expression
the period of time before written records
prehistory