#1
Which of the following is not a function of the skeletal system?
Regulation of body temperature
ExplanationThe skeletal system is primarily involved in providing structural support, protection, and facilitating movement, not in regulating body temperature.
#2
What is the smallest unit of life?
Cell
ExplanationThe cell is the basic structural and functional unit of all living organisms.
#3
Which muscle is responsible for pumping blood throughout the body?
Heart
ExplanationThe heart is a muscular organ that pumps blood throughout the circulatory system.
#4
What is the primary function of the respiratory system?
Transporting oxygen
ExplanationThe respiratory system is responsible for the exchange of gases, primarily transporting oxygen to the body's cells.
#5
Which type of muscle is striated and under voluntary control?
Skeletal muscle
ExplanationSkeletal muscles are striated and under voluntary control, allowing conscious movement.
#6
What is the main function of the digestive system?
Breaking down food
ExplanationThe digestive system breaks down food into nutrients for absorption and energy production.
#7
Which part of the eye is responsible for controlling the amount of light that enters?
Pupil
ExplanationThe pupil regulates the amount of light entering the eye.
#8
Which organ system is responsible for producing hormones?
Endocrine system
ExplanationThe endocrine system produces and releases hormones that regulate various physiological processes in the body.
#9
Which bone is commonly referred to as the collarbone?
Clavicle
ExplanationThe clavicle is commonly known as the collarbone due to its location in the upper chest.
#10
Which gland is often referred to as the 'master gland'?
Pituitary gland
ExplanationThe pituitary gland is often called the 'master gland' as it regulates and controls the functions of other endocrine glands.
#11
Which part of the brain is responsible for coordinating muscle movements?
Cerebellum
ExplanationThe cerebellum plays a key role in coordinating voluntary muscle movements and maintaining balance.
#12
Which organ stores bile produced by the liver?
Gallbladder
ExplanationThe gallbladder stores bile produced by the liver, releasing it into the small intestine for digestion.
#13
What is the name of the largest part of the human brain?
Cerebrum
ExplanationThe cerebrum is the largest part of the brain and is responsible for higher cognitive functions.
#14
Which bone articulates with the radius to form the elbow joint?
Ulna
ExplanationThe ulna articulates with the radius to form the elbow joint.
#15
Which of the following is not a function of the integumentary system?
Nutrient absorption
ExplanationThe integumentary system primarily functions in protecting the body from external damage, not in nutrient absorption.
#16
Which of the following is not a component of the central nervous system?
Peripheral nerves
ExplanationThe central nervous system consists of the brain and spinal cord, while peripheral nerves are part of the peripheral nervous system.
#17
Which blood vessel carries oxygen-rich blood away from the heart to the body?
Artery
ExplanationArteries carry oxygen-rich blood away from the heart to various parts of the body.
#18
Which of the following is not a function of the urinary system?
Producing hormones
ExplanationThe urinary system is primarily responsible for filtering and excreting waste products, not producing hormones.
#19
Which structure connects the kidneys to the bladder?
Ureter
ExplanationThe ureter connects the kidneys to the bladder, facilitating the flow of urine.