#1
What is the primary function of the heart in the human body?
Circulation of blood
ExplanationPumps oxygen-rich blood to various parts of the body.
#2
Which organ is responsible for producing insulin?
Pancreas
ExplanationRegulates blood sugar levels by producing insulin.
#3
Which blood type is considered the universal donor?
O
ExplanationCan donate blood to any blood type.
#4
What is the largest organ in the human body?
Skin
ExplanationProvides protection and regulates body temperature.
#5
What is the scientific name for the thigh bone?
Femur
ExplanationLongest and strongest bone in the human body.
#6
Which part of the brain is associated with memory and learning?
Hippocampus
ExplanationPlays a vital role in the formation of new memories.
#7
Which hormone is responsible for regulating sleep-wake cycles?
Melatonin
ExplanationHelps regulate the body's internal clock.
#8
What is the function of the cochlea in the human ear?
Detect sound vibrations
ExplanationConverts sound vibrations into electrical signals for the brain.
#9
Which enzyme is responsible for breaking down proteins in the stomach?
Pepsin
ExplanationInitiates the digestion of proteins into peptides.
#10
In what process do cells convert glucose into energy in the presence of oxygen?
Cellular respiration
ExplanationProduces ATP, the energy currency of cells.
#11
What is the function of the thyroid gland in the human body?
Regulate metabolism
ExplanationControls metabolism and energy production.
#12
Which part of the human brain is responsible for motor control and coordination?
Cerebellum
ExplanationCoordinates voluntary movements and balance.
#13
Which vitamin is essential for the absorption of calcium in the body?
Vitamin D
ExplanationFacilitates the absorption of calcium in the intestines.
#14
In which part of the digestive system does nutrient absorption primarily occur?
Small intestine
ExplanationAbsorbs nutrients into the bloodstream.