Questions and Answers | Latest Version
| 2024/2025 | Correct & Verified
Which organ swells during an immune response to help fight infection?
A. Kidney
B. Liver
✔✔C. Lymph node
D. Stomach
Which element is essential for the production of thyroid hormones?
A. Iron
✔✔B. Iodine
C. Magnesium
D. Phosphorus
What structure in the ear helps maintain balance?
✔✔A. Semicircular canals
B. Cochlea
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,C. Eardrum
D. Ossicles
Which part of the eye regulates the amount of light that enters?
A. Retina
✔✔B. Iris
C. Lens
D. Cornea
Which cell structure is responsible for packaging and transporting proteins?
A. Ribosome
B. Mitochondria
✔✔C. Golgi apparatus
D. Nucleus
Which substance makes up the majority of plasma in the blood?
A. Glucose
✔✔B. Water
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,C. Protein
D. Sodium
Which bone in the human body contains the most marrow for blood production?
✔✔A. Femur
B. Clavicle
C. Scapula
D. Patella
Which type of receptor detects pain in the human body?
✔✔A. Nociceptors
B. Mechanoreceptors
C. Thermoreceptors
D. Chemoreceptors
Which part of the nervous system controls the "fight or flight" response?
A. Parasympathetic nervous system
✔✔B. Sympathetic nervous system
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, C. Somatic nervous system
D. Central nervous system
Which organ helps detoxify harmful substances in the blood?
✔✔A. Liver
B. Kidney
C. Pancreas
D. Spleen
Which part of the male reproductive system stores and transports sperm?
✔✔A. Epididymis
B. Vas deferens
C. Urethra
D. Prostate
Which vitamin is primarily produced when skin is exposed to sunlight?
✔✔A. Vitamin D
B. Vitamin B12
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