Body Systems Vocab Flashcards
Chemical change
the formation of a new substance with different properties; cannot be undone by physical means
Circulatory system
transports nutrients and oxygen to the body
Digestive system
breaks down food to provide nutrients and energy
Endocrine system –
regulates the body with hormones
Excretory system
removes waste from the body
External stimulus
a change in the environment outside of the organism
Feedback mechanism
a response within a system that influences the activity of that system
Force
push or pull that can change the position or motion of an object/material
Homeostasis
the body’s ability to keep the internal balance of the body stable
Integumentary system
provides protection of the body
Internal stimulus
a change within the organism
Motion
a change in the position of an object
Muscular system
provides movement of the body
Nervous system
controls and coordinates the body
Physical change
– a change which alters matter without changing its chemical composition or the identity of the substance
