Circulatory System
Respiratory System
Nervous System
Digestive System
Endocrine System
Immune System
Excretory System
100

The substance that carries nutrients, gases, and waste through the body

Blood

100
Another word for "respiration"

Breathing

100

The main organ of the nervous system

Brain

100

The main activity associated with the digestive system

Eating

100

The name of the "chemical messengers" used by the endocrine system

Hormones

100

The main function of the immune system

Protection/Defense of the body against pathogens

100

The word used to describe the expulsion/removal of something

Excrete

200

The main structures blood travels through to reach different organs

Blood vessels (veins, arteries, capillaries)

200

The primary organ(s) used for respiration

Lungs (+ trachea)

200

The structures used by the nervous system to send messages

Nerves/neurons (Brain, spinal cord, peripheral nerves)

200

The main purpose of the digestive system

Absorption of nutrients from food (+expulsion of waste)

200

Organs that release hormones

Glands

200

A classic example of an immune response that involves a rise in body temperature

Fever

200

The main function of the excretory system

To get rid of waste in the body

300

The main way the circulatory and respiratory systems interact

The blood carries inhaled oxygen from the lungs to other body cells, then carries carbon dioxide from the body to the lungs to be exhaled

300

The main function of the respiratory system

Gas exchange

300

The word used to describe information detected through touch, sight, hearing, smell,  or taste

Sensory

300

The organs/structures of the digestive tract (5 or 6)

Mouth, esophagus, stomach, small intestine, large intestine

(Bonus: +100 points for "pharynx")

300

How hormones travel through the body

In the blood
300

The blood cells associated most closely with the immune system

White blood cells

300

The waste substance produced from filtering blood through the kidneys

Urine

400

An organ that filters/removes waste from the blood

Kidneys/Liver

400

The process your body's cells undergo that uses oxygen to produce usable energy

(Aerobic) Cellular Respiration

400

Where the peripheral nerves are found

Branching off of the central nervous system, in the limbs and other body parts
400

The substance in the blood that is regulated by the pancreas and used to make energy

Glucose

400

The hormone involved in the regulation of glucose, released by the pancreas

Insulin

400

The immune response that occurs when you cut yourself

Inflammation, clotting

400

Body systems that share organs/structures with the excretory system (7)

Digestive, Urinary, Circulatory, Respiratory, Immune, Integumentary, Endocrine

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