#1
Which organ is responsible for filtering blood and producing urine?
Kidney
ExplanationRenal organ responsible for blood filtration and urine production.
#2
What is the main function of the small intestine in the digestive system?
Absorption of nutrients
ExplanationPrimary site for nutrient absorption in the digestive tract.
#3
Which organ is responsible for producing insulin in the human body?
Pancreas
ExplanationOrgan housing cells responsible for insulin production.
#4
What is the primary function of the adrenal glands?
Regulation of blood pressure
ExplanationEndocrine glands secreting hormones involved in stress response and blood pressure regulation.
#5
Which gland is responsible for producing melatonin, a hormone that regulates sleep-wake cycles?
Pineal gland
ExplanationEndocrine gland governing circadian rhythms and sleep patterns.
#6
What is the largest organ in the human body?
Skin
ExplanationLargest organ serving as a protective barrier and regulating body temperature.
#7
Which part of the brain is responsible for controlling voluntary muscle movements and coordination?
Cerebellum
ExplanationBrain region governing voluntary muscle control and coordination.
#8
Which bone is commonly referred to as the 'collarbone'?
Clavicle
ExplanationBone connecting the arm to the trunk, forming part of the shoulder.
#9
What is the role of the pancreas in the endocrine system?
Production of insulin
ExplanationPancreatic function of producing insulin for blood sugar regulation.
#10
What is the function of the cornea in the human eye?
Light refraction
ExplanationTransparent tissue bending light to focus on the retina.
#11
In the human respiratory system, where does gas exchange between the lungs and blood vessels occur?
Alveoli
ExplanationTiny air sacs where oxygen and carbon dioxide exchange occurs.
#12
Which hormone is responsible for regulating blood sugar levels in the body?
Insulin
ExplanationHormone facilitating glucose uptake and regulating blood sugar.
#13
Which part of the heart pumps oxygenated blood to the rest of the body?
Left ventricle
ExplanationHeart chamber pushing oxygen-rich blood throughout the body.
#14
In the nervous system, what is the primary function of the myelin sheath?
Conduction of nerve impulses
ExplanationInsulating layer facilitating rapid transmission of nerve signals.
#15
What is the primary function of the gallbladder in the digestive system?
Storage of bile
ExplanationOrgan storing bile produced by the liver for fat digestion.