Processes that help the body maintain balance by adjusting its functions based on changes, like a thermostat controlling temperature.

The state of the inside of the body, including things like temperature, pH levels, and nutrient levels.

Actions or reactions of an organism in response to its environment, like moving towards food or away from danger.

The state of the environment outside the body, including temperature, humidity, and light.

A process where a change in the body causes an increase in that change, like blood clotting where more clotting factors are produced to stop bleeding.

A process where a change in the body triggers a response that counteracts that change, like sweating to cool down when you're hot.

The number of times the heart beats per minute, which can change based on activity level and emotions.

Small openings on the surface of leaves that allow gases like oxygen and carbon dioxide to move in and out of the plant.

The presence of water in the environment or in the body, which is important for hydration and various biological processes.

A measure of how hot or cold something is, which affects the body's functions and the environment.

The growth and formation of roots in plants, which help anchor the plant and absorb water and nutrients from the soil.

A cell in your blood that carries oxygen from your lungs to the rest of your body.

Moving things like oxygen, nutrients, and waste in and out of cells or around the body.

constant small corrections within an organism that keeps internal environment within limits or in homeostasis

receiving stimulus from the environment, interpreting the stimulus, deciding to respond with a behavior

To control and coordinate ALL of the life functions

Turning food energy into usable energy (ATP)

increase in number OR size of cells

The removal of wastes made during other life functions

Obtaining nutrients (food) needed for respiration and synthesis

small, simple molecules join together to build bigger, more complex molecules

The rate at which an organisms life functions are occurring.

a state in which some animals become inactive and use very little energy during cold seasons

a substance that carries messages between cells and helps control body processes

a protein on the surface of a cell that receives signals from outside the cell

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1-3: Homeostasis

feedback mechanisms maintain homeostasis.

Term	Definition
feedback mechanisms	Processes that help the body maintain balance by adjusting its functions based on changes, like a thermostat controlling temperature.
internal conditions	The state of the inside of the body, including things like temperature, pH levels, and nutrient levels.
behaviors	Actions or reactions of an organism in response to its environment, like moving towards food or away from danger.
external conditions	The state of the environment outside the body, including temperature, humidity, and light.
positive feedback	A process where a change in the body causes an increase in that change, like blood clotting where more clotting factors are produced to stop bleeding.
negative feedback	A process where a change in the body triggers a response that counteracts that change, like sweating to cool down when you're hot.
heart rate	The number of times the heart beats per minute, which can change based on activity level and emotions.
stomate	Small openings on the surface of leaves that allow gases like oxygen and carbon dioxide to move in and out of the plant.
moisture	The presence of water in the environment or in the body, which is important for hydration and various biological processes.
temperature	A measure of how hot or cold something is, which affects the body's functions and the environment.
root development	The growth and formation of roots in plants, which help anchor the plant and absorb water and nutrients from the soil.
red blood cell	A cell in your blood that carries oxygen from your lungs to the rest of your body.
transport	Moving things like oxygen, nutrients, and waste in and out of cells or around the body.
dynamic equilibrium	constant small corrections within an organism that keeps internal environment within limits or in homeostasis
reflect arc	receiving stimulus from the environment, interpreting the stimulus, deciding to respond with a behavior
regulation	To control and coordinate ALL of the life functions
respiration	Turning food energy into usable energy (ATP)
growth	increase in number OR size of cells
excretion	The removal of wastes made during other life functions
nutrition	Obtaining nutrients (food) needed for respiration and synthesis
synthesis	small, simple molecules join together to build bigger, more complex molecules
metabolism	The rate at which an organisms life functions are occurring.
hibernation	a state in which some animals become inactive and use very little energy during cold seasons
signal molecule	a substance that carries messages between cells and helps control body processes
membrane receptor	a protein on the surface of a cell that receives signals from outside the cell

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