Unit 2 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
A 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.
