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100

This organ produces bile to help digest fats.

What is the liver?

100

These items are transported throughout the body by the circulatory system.

What are oxygen, nutrients, hormones, and waste products?

100

Main organ in the respiratory system responsible for exchanging gases.

What are the lungs?

100

This organ is the control center of the nervous system. 

What is the brain?

100

This organ filters blood to produce urine.

What is the kidney?

100

Immune system produces this protein to help destroy pathogens.

What are antibodies?

200

The organ where MOST digestion and absorption of nutrients occurs.

What is the small intestine?

200

Blood vessels that carry oxygen rich blood away from the heart.

What are arteries?

200

Medical term for the tube that carries oxygen from the throat to the bronchi?

What is the trachea?

200

The name for the part of the nervous system that is made up of the brain and spinal cord.

What is the central nervous system?

200

This tube carries urine from the bladder to the outside of the body.

What is the urethra?

200

These are the foreign substances that trigger an immune response in the body.

What are antigens?

300

These tissues contract to produce movement in the body.

What are muscles?

300

Liquid part of blood that carries nutrients, hormones, and waste products.

What is plasma?

300

Tiny air sacs in the lungs where gas exchange occurs.

What are alveoli?

300

Cells that transmit electrical impulses in the nervous system.

What are neurons?

300

Muscular organ that stores urine until it is ready to be expelled.

What is the bladder?

300

This system carries lymph, a fluid containing infection-fighting white blood cells, throughout the body.

What is the lymphatic system?

400

Mineral that is essential for strong bones and teeth.

What is calcium?

400

The component of blood helps with clotting and prevents excessive bleeding.

What are platelets (thrombocytes)?

400

Name of the muscle that contracts and relaxes to help you breath in and out.

What is the diaphragm?

400

The function of the spinal cord in the nervous system.

What is to transmit signals between the brain and spinal cord (& control reflexes)?

400

Tube that transports urine from the kidneys to the bladder.

What is the ureter?

400

These structures trap bacteria and other pathogens in the throat and help protect the body from infection.

What are the tonsils?

500

Female reproductive organ that produces eggs.

What are ovaries?

500

The smallest blood vessels where oxygen and nutrients are exchanged with tissues.

What are capillaries?

500

The process of takin oxygen into the body and releasing carbon dioxide.

What is respiration?

500

A quick, automatic response to a stimulus that does not involve the brain.

What is a reflex?

500

The process in which the body removes waste products and excess water through urine.

What is excretion?

500

This organ located in the upper left part of your abdomen filters blood and helps fight infections.

What is the spleen?