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Which organ is naturally offset toward the left side of the body?

• Heart
• Gallbladder
• Liver
• Brain

From all outward appearances, the human body is symmetrical. If one were to divide the body into two halves, for example, each side would have a single arm and leg. But a look inside at the internal organs shows that there is not perfect symmetry throughout the body. The heart and spleen normally reside on the left side and the liver and gallbladder are on the right. Furthermore, the organs themselves are asymmetrical.

Source: HHMI

Bronchi are part of which organ?

• Lungs
• Spleen
• Heart
• Kidneys

A bronchus is a passage or airway in the lower respiratory tract that conducts air into the lungs. The first or primary bronchi (pronounced BRAN-KAI) to branch from the trachea at the carina are the right main bronchus and the left main bronchus. These are the widest bronchi, and enter the right lung, and the left lung at each hilum.

Source: Wikipedia

What organ in the human body has no known function?

• Pancreas
• Spleen
• Appendix
• Gallbladder

The function of the appendix is unknown. One theory is that the appendix acts as a storehouse for good bacteria, “rebooting” the digestive system after diarrheal illnesses. Other experts believe the appendix is just a useless remnant from our evolutionary past. Surgical removal of the appendix causes no observable health problems.

Source: WebMD

Hepatitis is the inflammation of which organ?

• Lung
• Brain
• Liver
• Heart

Hepatitis means inflammation of the liver. The liver is a vital organ that processes nutrients, filters the blood, and fights infections. When the liver is inflamed or damaged, its function can be affected. Heavy alcohol use, toxins, some medications, and certain medical conditions can cause hepatitis. However, hepatitis is often caused by a virus. In the United States, the most common types of viral hepatitis are hepatitis A, hepatitis B, and hepatitis C.

Source: Centers for Disease Control and Prevention

Which is the largest organ of the human body?

• Lungs
• Stomach
• The skin
• Liver

The skin makes up 16% of the body mass and is considered the largest organ. Being 2 mm thick, the skin takes care of protecting the body from germs, pollution, sun radiation, and any other environmental stressors. It also regulates the body’s temperature, receives sensory information, and stores water, vitamin D, and fat.

Source: Healthline

Which of these organs uses 20% of the body's total oxygen?

• Liver
• Stomach
• Heart
• Brain

New research reveals how the brain can meet its massive energy demands with a “just in time” system that delivers oxygen that fuels nerve cells. This study demonstrates that microvessels in the brain play a key role in reacting to spikes in demand and accelerating the blood flow to respond to neuronal activity. Energy in the brain is generated almost exclusively from a form of metabolism that requires oxygen. The brain’s oxygen demands are enormous; despite comprising only 2 percent of the body, our brains consume 20 percent of the body’s oxygen supply.

Source: University of Rochester

What organ in the human body is responsible for metabolizing drugs?

• Appendix
• Pancreas
• Liver
• Heart

Most drugs must pass through the liver, which is the primary site for drug metabolism. Once in the liver, enzymes convert prodrugs to active metabolites or convert active drugs to inactive forms. The liver’s primary mechanism for metabolizing drugs is via a specific group of cytochrome P-450 enzymes. The level of these enzymes controls the rate at which many drugs are metabolized. The capacity of the enzymes to metabolize is limited, so they can become overloaded when blood levels of a drug are high. Many substances (such as drugs and foods) affect the cytochrome P-450 enzymes. If these substances decrease the ability of the enzymes to break down a drug, then that drug's effects (including side effects) are increased.

Source: Merck Manual

Diverticulitis affects which part of the body?

• Brain
• Heart
• Kidney
• Intestines

Diverticular disease and diverticulitis are related digestive conditions that affect the large intestine (colon). In diverticular disease, small bulges or pockets (diverticula) develop in the lining of the intestines. Diverticulitis is when these pockets become inflamed or infected. Symptoms of diverticular disease include lower abdominal pain and feeling bloated. Most people with diverticula will not have any symptoms.

Source: National Health System

The hormone insulin is produced by what organ in the body?

• Spleen
• Stomach
• Liver
• Pancreas

The main function of the pancreas is to maintain healthy blood sugar levels. It is a large gland located behind the stomach. It produces insulin, glucagon, and other hormones. Insulin allows the cells in the muscles, fat, and liver to absorb glucose that is in the blood. Diabetes occurs when the pancreas does not produce enough insulin or when the body does not use insulin properly (called insulin resistance).

Source: Endocrine Society

Which organ is protected by the pleural membrane?

• Lungs
• Heart
• Brain
• Intestines

The organs covered by the pleural membrane are the lungs. The pleural cavity is the space between the visceral and parietal pleura. The pleura (also known as the pleural membrane) is a serous membrane made up of two layers: the outer pleura (called the parietal pleura), and the inner pleura (called the visceral pleura). Both layers are covered by mesothelial cells, which are specialized pavement-like cells found in vital organs. The parietal pleura is in contact with the inside of the ribcage, the mediastinum, and the superior edge of the diaphragm. The mediastinum is a division of the thoracic cavity where the heart and other vital structures are located. The visceral pleura covers the surface of the lungs.

Source: Study.com

Which of these organs is inside the abdominal cavity?

• Stomach
• Heart
• Brain
• Trachea

The abdominal cavity is the largest hollow space of the body. Its upper boundary is the diaphragm, a sheet of muscle and connective tissue that separates it from the chest cavity; its lower boundary is the upper plane of the pelvic cavity. The abdominal cavity contains the greater part of the digestive tract (such as the stomach, small intestine, and large intestine), the liver and pancreas, the spleen, the kidneys, and the adrenal glands located above the kidneys.

Source: Britannica

A pacemaker might be fitted to regulate which organ?

• Kidney
• Lungs
• Heart
• Liver

A pacemaker is a small device that's placed (implanted) in the chest to help control the heartbeat. It's used to prevent the heart from beating too slowly. Implanting a pacemaker in the chest requires a surgical procedure. A pacemaker is also called a cardiac pacing device. A pacemaker is implanted to help control your heartbeat. Your doctor may recommend a temporary pacemaker when you have a slow heartbeat (bradycardia) after a heart attack, surgery, or medication overdose but your heartbeat is otherwise expected to recover. A pacemaker may be implanted permanently to correct a chronic slow or irregular heartbeat or to help treat heart failure.

Source: Mayo Clinic

Which internal organ concentrates and stores bile?

• Spleen
• Gallbladder
• Small intestine
• Pancreas

The gallbladder is located right underneath the liver. This thin-walled, pear-shaped sack is about 2.7 to 3.9 inches long and up to 2 inches across at its widest point. The gallbladder stores and concentrates bile from the liver. Then, the bile is released into the first section of the small intestine (the duodenum), where it helps the body to break down and absorb fats from food. The cells of the liver produce about 27 to 34 fluid ounces of bile daily. Bile is a yellow, brownish, or olive-green liquid that helps our body digest fats.

Source: National Library of Medicine

Which organ is enclosed in the pericardium?

• Heart
• Stomach
• Liver
• Spleen

Your pericardium is a protective, fluid-filled sac that surrounds your heart and helps it function properly. Your pericardium also covers the roots of your major blood vessels as they extend from your heart. These are known as your “great vessels,” and they include your aorta, main pulmonary artery, pulmonary veins, and superior and inferior vena cava. Your pericardium is located in your chest, where it surrounds your heart. Your heart is located in the front of your chest, slightly to the left of your breastbone (sternum). If you have dextrocardia, your heart is slightly to the right of your breastbone.

Source: Cleveland Clinic

Where in the body would you find the hippocampus?

• Heart
• Kidney
• Liver
• Brain

The hippocampus is a small but complex brain structure that plays an important role in the process of learning and the formation of new memories. In addition to its role in learning and memory, the hippocampus is an essential part of the brain's limbic system, a group of structures involved in emotion regulation and other behaviors needed for survival, such as feeding, fighting, and sexual behavior. The hippocampus is a multilayered structure composed primarily of densely packed pyramidal cells.

Source: Osmosis