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Ready-made multiple-choice practice quizzes, hand-checked. Take any free quiz online — every answer comes with an explanation, and every quiz page has a full answer key to revise from.
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Free · no sign-up · no time limit
Ready-made multiple-choice practice quizzes, hand-checked. Take any free quiz online — every answer comes with an explanation, and every quiz page has a full answer key to revise from.
Human body
Test your knowledge of human bones, joints, skeletal architecture, and bone tissue biology. Answer each question to see whether you got it right, with an explanation every time.
A free 10-question multiple-choice practice test on Human body. Each question has one correct answer and a short explanation, and the full answer key below the player doubles as a study sheet. No account, no time limit — take it as often as you like.
This is a free, 10-question multiple-choice quiz. Answer each question to see whether you got it right, with an explanation for every answer. There is no sign-up and no time limit — take it as many times as you like, and use the answer key above to revise before or after.
Correct answer: B206
Infants are born with roughly 270 bones, but several fuse together during growth, leaving an average of 206 distinct bones in adulthood.
Correct answer: CFemur
The femur, located in the thigh, supports the body's weight and can resist significant mechanical forces during walking and running.
Correct answer: BStapes
The stapes, or stirrup bone, measures only about 3 millimeters and is located inside the middle ear, where it helps transmit sound vibrations.
Correct answer: ABall-and-socket joint
Ball-and-socket joints, found in the hips and shoulders, allow movement across multiple planes, including rotational movement.
Correct answer: CHyoid bone
The hyoid bone is suspended by muscles and ligaments in the neck and serves as an anchoring structure for the tongue.
Correct answer: BBreaking down bone tissue
Osteoclasts dissolve old or damaged bone matrix during remodeling, whereas osteoblasts build new bone tissue.
Correct answer: B7
The human neck contains 7 cervical vertebrae, labeled C1 through C7, which support the skull and permit head rotation.
Correct answer: BHyaline cartilage
Hyaline cartilage, specifically articular cartilage, provides a smooth, low-friction surface that absorbs shock within synovial joints.
Correct answer: ARed bone marrow
Hematopoiesis occurs in red bone marrow, while yellow bone marrow is composed primarily of fat cells that store energy.
Correct answer: BRadius and ulna
The radius lies on the lateral (thumb) side of the forearm, while the ulna lies on the medial (pinky) side.