Head, Shoulders, Knees, & Toes
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200

The bone that forms the back of the head.

What is the occipital bone?

200

This is the process by which cells produce energy using oxygen.

What is cellular respiration?

200

This muscular organ churns food and mixes it with gastric juices.

What is the stomach?

200

This is the main control center of the nervous system.

What is the brain?

200

This muscular organ pumps blood throughout the body.

What is the heart?

400

The joint connecting the upper arm to the shoulder blade.

What is the shoulder joint?

400

The maintenance of a stable internal environment is called this.

What is homeostasis?

400

The majority of nutrient absorption happens in this part of the digestive tract.

What is the small intestine?

400

These cells transmit electrical signals throughout the body.

What are neurons?

400

These blood vessels carry blood away from the heart.

What are the arteries?

600

The kneecap is known by this anatomical term.

What is patella?

600

This feedback mechanism enhances a physiological process.

What is positive feedback?

600

This large organ produces bile to help break down fats.

What is the liver?

600

This part of the brain is responsible for balance and coordination.

What is the cerebellum?

600

This type of circulation delivers oxygenated blood throughout the body and delivers deoxygenated blood back to the heart.

What is systemic circulation?

800

These bones are connected to both the phalanges and the tarsals.

What are the metatarsals?

800

This organ is responsible for regulating blood sugar by producing insulin.

What is the pancreas?

800

This enzyme-rich organ sits behind the stomach and aids in digestion and blood sugar regulation.

What is the pancreas?

800

This insulating layer speeds up signal transmissions in axons.

What is the myelin sheath?

800

This upper chamber of the heart receives oxygen-rich blood from the lungs.

What is the left atrium?

1000

This muscle group extends the leg at the knee.

What are the quadriceps?

1000

This system controls involuntary bodily functions like heart rate and digestion.

What is the autonomic nervous system?

1000

This valve controls the release of food from the stomach into the small intestine.

What is the pyloric sphincter?

1000

This neurotransmitter is associated with movement and reward, and is often absent in people with Parkinson's disease.

What is dopamine?

1000

This node, known as the heart's pacemaker, electrically initiates the heartbeat.

What is the sinoatrial(SA) node?

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