#1
Which bone is commonly referred to as the collarbone?
Clavicle
ExplanationForms the collarbone, connecting the arm to the trunk.
#2
What is the main function of the ribcage?
Protecting internal organs
ExplanationActs as a protective cage around vital organs like the heart and lungs.
#3
What is the purpose of the skeletal system in the human body?
To provide structural support
ExplanationFramework for the body, giving it shape and support.
#4
Which bone forms the forehead and the upper part of the eye sockets?
Frontal bone
ExplanationContributes to the structure of the skull and protects the brain.
#5
Which bone is the longest in the human body?
Femur
ExplanationExtends from the hip to the knee, providing support and mobility.
#6
What is the function of the spinal column (vertebral column) in the skeletal system?
Protection of the spinal cord
ExplanationSurrounds and protects the delicate spinal cord.
#7
Which of the following bones is part of the axial skeleton?
Vertebra
ExplanationForms the central axis of the body, including the spine and skull.
#8
What is the scientific name for the shinbone?
Tibia
ExplanationMain weight-bearing bone of the lower leg.
#9
What is the role of cartilage in the skeletal system?
To provide flexibility
ExplanationActs as a cushion and allows smooth movement between bones.
#10
Which bone is responsible for supporting the body's weight when sitting?
Femur
ExplanationLargest and strongest bone in the body, bearing body weight in sitting and standing positions.
#11
Which of the following bones is not part of the appendicular skeleton?
Vertebra
ExplanationForms the axial skeleton, including the skull, spine, ribs, and sternum.
#12
What is the primary mineral stored in bones?
Calcium
ExplanationCritical for bone strength and involved in various bodily functions.
#13
Which joint allows movement in multiple directions, such as the shoulder joint?
Ball-and-socket joint
ExplanationOffers a wide range of motion in all directions.
#14
What is the purpose of the synovial fluid in joints?
To reduce friction
ExplanationLubricates and nourishes the joint, reducing wear and tear.
#15
Which joint is responsible for the movement of the head to nod up and down?
Pivot joint
ExplanationAllows rotational movement, as seen in nodding.
#16
Which type of joint allows movement in only one plane, such as the elbow joint?
Hinge joint
ExplanationPermits movement in one direction, like the opening and closing of a door.
#17
What is the purpose of the bursae in the skeletal system?
Reduce friction in joints
ExplanationFluid-filled sacs that cushion and reduce friction between bones and tendons.