Tag: science & technology

Despite being called a black box, flight recorders are actually painted bright orange to make them easier to locate in crash debris. This international standard color was chosen after searches for black-colored devices proved difficult.

AIRBUS is a European aerospace corporation headquartered in Toulouse, France. Founded in 1970, it originated from France and remains a flagship European aviation manufacturer, though it now has operations across multiple European countries including Germany, Spain, and the UK.

Most food digestion occurs in the small intestine, not the stomach. While the stomach breaks down food with acid and enzymes, the small intestine is where most nutrient absorption happens with the help of pancreatic enzymes and bile. The large intestine primarily absorbs water and electrolytes.

Enzymes are biological catalysts that primarily aid in digestion by breaking down complex food molecules into simpler absorbable units. While enzymes are involved in many processes, their most direct and fundamental role is in food digestion. The immune system (option C) is not primarily enzymatic.

Human somatic cells contain 46 chromosomes arranged in 23 pairs - one set inherited from each parent. The numbers 44 and 43 are not correct counts for normal human cells, while 48 would indicate a chromosomal abnormality.

The lungs are located in the thoracic cavity, which is separated from the abdominal cavity by the diaphragm. The buccal cavity is in the mouth, the pericardial cavity surrounds the heart, and the abdominal cavity contains digestive organs.

Lockjaw is a characteristic symptom of tetanus, caused by the toxin Clostridium tetani affecting the nervous system and causing severe muscle spasms. Cholera, plague, and diphtheria are different diseases with distinct symptoms.

Dialysis is a medical treatment that performs the functions of failed kidneys by filtering waste products and excess fluids from the blood. It is specifically used for kidney failure, not heart weakness, brain disease, or other conditions.