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420

Which 22-foot-long muscular tube is the longest part of the gastrointestinal tract, coiling in the lower abdomen and curving around the pancreas?

Small intestine

420

Which organ removes wastes and extra fluid from your body and also removes acid produced by your body’s cells?

Kidneys

420
Which organ functions as a reservoir and active excretory organ for urine?
The bladder
420

Which neurodegenerative disease damages and destroys brain cells over time, eventually causing loss of brain functions such as memory and language?

Alzheimer's disease

420

Which hormone-producing gland plays a major role in metabolism, growth, and development of the human body?

Thyroid

840

Which part of the body carries messages back and forth between the brain and the nerves that run throughout the body?

The spinal cord

840

Which internal organ plays a crucial role in filtering blood, storing energy and producing bile for digestion?

Liver

840

Which viral infection is highly contagious, known for its rash, and is also called German measles or three-day measles?

Rubella

840

Which part of the body is known as the "blood cell factory,” releasing mature blood cells into the bloodstream as needed?

Bone marrow

840

Which medical condition occurs when blood flow to part of the brain is interrupted or when there is bleeding in the brain, causing brain cells to die within minutes?

A stroke

1260

Which age-related degenerative brain condition causes slowed movements, tremors, balance problems, and sometimes runs in families, and while it is not curable, it has various treatment options?

Parkinson's disease

1260

Which internal organ is responsible for producing digestive enzymes that break down food and also producing the hormone insulin to control blood sugar levels?

Pancreas 

1260

Which part of your digestive system has the main function of storing bile?

Gallbladder

1260

Which gland produces steroid hormones, adrenaline, and noradrenaline, helping to control heart rate, blood pressure, blood sugar, metabolism, and the body’s response to stress?

Adrenal glands

1260

Which critical blood vessels in the cardiovascular system branch into smaller tubes and distribute oxygen-rich blood throughout the body, ensuring organs and tissues receive the oxygen and nutrients they need?

The arteries

1680

This is also called the “master gland” because it directs other glands in the body and controls growth, metabolism, blood pressure, and reproduction. Which gland is it?

Pituitary gland

1680

Which condition is inflammation that spreads from the stomach into the intestines, causing pain, vomiting, and diarrhea, often after ingesting a virus, bacteria, or harmful chemical?

Gastroenteritis

1680

Which virus causes severe inflammation and tissue damage throughout the body, is known as a hemorrhagic fever virus, and can lead to internal bleeding by affecting the body’s clotting system?

Ebola

1680

Which delicate blood vessels deliver nutrients and oxygen to cells, remove carbon dioxide and other wastes, and have thin walls that allow fluids and gases to pass through easily?

Capillaries

1680

Which structure connects two bones together, particularly at the joints, and acts like strong straps or ropes to stabilize the joint?

Ligaments

2050

Which organ controls the levels of white blood cells, red blood cells, and platelets, and also screens the blood to remove old or damaged red blood cells?

Spleen

2050

Which tiny endocrine gland in the brain secretes melatonin to regulate the body’s circadian rhythm, controlling sleep and wakefulness?

Pineal Gland
2050

Which condition occurs when your immune system attacks your own body instead of protecting it, potentially affecting the skin, joints, blood, and organs like the kidneys, lungs, and heart?

Lupus

2050

Which fibrous connective tissue attaches muscles to bones and may also attach muscles to other structures, such as the eyeball?

Tendons

2050

Which part of the body helps fight off invading pathogens and also helps repopulate the gut with beneficial bacteria after gastrointestinal issues?

Appendix

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