Circulatory System & Transport of Substances
Digestive System & Nutrient Processing
Respiratory System & Gas Exchange
Nervous System & Communication
Endocrine System & Regulation
Excretory System & Waste Removal
Muscular & Structural Systems
Homeostasis & Body Stability
100

A clear fluid that circulates in the lymphatic system, carrying white blood cells and helping to remove waste and toxins.

What is LYMPH?

100

The removal of waste products from the body, including undigested food.

What is ELIMINATION?

100

Tiny air sacs in the lungs where gas exchange occurs between the air and the bloodstream.

What is ALVELOLI?

100

A long, thick bundle of nerves that runs from the brain down the back.

What is SPINAL CHORD?

100

An organ that produces and releases substances such as hormones.

What is GLAND?

100

The process of removing waste products from the body.

What is EXCRETION?

100

A group of tissues that work together to perform a specific function.

What is ORGAN?

100

The ways in which different parts of the body affect each other.

What is INTERACTION?

200

The body system responsible for transporting blood, oxygen, nutrients, and waste.

What is CIRCULATORY SYSTEM?

200

Substances in food that the body needs for energy, growth, and repair.

What is NUTRIENTS?

200

The two main tubes that branch from the trachea into the lungs.

WHAT IS BRONCHI?

200

Any change in the environment that causes a response.

What is STIMULUS?

200

A chemical messenger that regulates various body functions.

What is HORMONE?

200

The functional unit of the kidney that filters blood and produces urine.

What is NEPHRON?

200

A group of similar cells that work together to perform a specific function.

What is TISSUE?

200

Arranged in a structured way within the body.

What is ORGANIZED?

300

The smallest blood vessels where the exchange of oxygen, carbon dioxide, nutrients, and waste occurs.

What are CAPILLARIES?

300

A liquid produced by glands in the mouth that helps break down food.

What is SALIVA?

300

A reaction of an organism or body system to a stimulus.

What is RESPONSE?

300

The body’s reaction to a challenge or demand.

What is STRESS?

300

A group of organs that work together to perform a major function.

What is ORGAN SYSTEM?

300

Maintaining balance or homeostasis within the body.

What is STABILITY?

400

A blood vessel that carries oxygen-rich blood away from the heart to the body.

What are ARTERIES?

400

A group of nutrients that provide energy to the body, including sugars, starches, and fiber.

What is CARBOHYDRATES?

400

An automatic response to a stimulus.

What is REFLEX?

400

A process in which the body responds to a change by reversing the change to maintain homeostasis.

What is NEGATIVE FEEDBACK?

400

To become smaller or tighter; in muscles, this means shortening to create movement.

What is CONTRACT?

500

A blood vessel that carries oxygen-poor blood back to the heart.

Waht are VEINS?

500

The process of breaking down food into nutrients that the body can absorb.

What is DIGESTION?

500

A nerve cell that transmits electrical signals throughout the nervous system.

What is NEURON?

600

The process by which nutrients from digested food are taken into the bloodstream or cells.

What is ABSORPTION?

600

The organ that controls the body's functions, thoughts, emotions, and movements.

What is BRAIN?

700

A protein that speeds up chemical reactions in the body, such as digestion.

What is ENZYME?

700

An electrical signal transmitted by nerve cells.

What is IMPLUSE?

800

The wave-like muscle contractions that move food through the digestive system.

What is PERISTALSIS?

800

The tiny gap between neurons where nerve signals are transmitted.

What is SYNAPSE?