Human Body Systems and Organs Quiz

The pancreas produces insulin, a hormone that regulates blood sugar levels.

The spleen filters and stores blood, removing old or damaged blood cells and helping in the immune response.

The liver is the primary organ responsible for detoxifying harmful substances and metabolizing drugs.

The urinary system filters waste products and excess fluids from the blood, forming urine for excretion.

The small intestine absorbs nutrients from digested food and releases them into the bloodstream.

The respiratory system facilitates breathing and the exchange of gases, primarily oxygen and carbon dioxide.

Peripheral nerves are not part of the central nervous system, which includes the brain and spinal cord.

Enzymes are not components of blood; blood consists of red blood cells, white blood cells, platelets, and plasma.

The muscular system's primary function is to produce movement by contracting and relaxing muscles.

The endocrine system's primary function is to produce and release hormones that regulate various physiological processes in the body.

The cranium is the skull's protective bone that shields the brain.

The medulla oblongata, located in the brainstem, controls vital functions like breathing and heartbeat.

The skin is the body's largest organ, serving as a protective barrier and regulating temperature.

Cortisol is often referred to as the 'stress hormone' as it is released in response to stress and plays a role in the body's fight-or-flight response.

The retina, located at the back of the eye, contains cells responsible for detecting and processing color.

The lymphatic system plays a crucial role in the immune system by fighting infections and diseases.

The digestive system breaks down food into nutrients and absorbs them for energy and essential functions.

The thyroid gland regulates metabolism by producing hormones that control the body's energy usage.

Arteries carry oxygenated blood away from the heart to various parts of the body.