Questions and Answers | Latest Version
| 2025/2026 | Correct & Verified
What organ system is responsible for producing hormones?
✔✔ Endocrine system
What is the main function of red blood cells?
✔✔ Transport oxygen
What is the basic structural unit of bone?
✔✔ Osteon
What type of joint is found at the shoulder?
✔✔ Ball-and-socket joint
What is the name of the outer layer of the skin?
✔✔ Epidermis
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,What is the name of the connective tissue membrane surrounding bone?
✔✔ Periosteum
What protein gives skin its waterproof property?
✔✔ Keratin
What type of muscle is found in the walls of the digestive tract?
✔✔ Smooth muscle
What tissue type lines the air sacs of the lungs?
✔✔ Simple squamous epithelium
What structure in a cell is responsible for producing ATP?
✔✔ Mitochondrion
What organelle is responsible for packaging and modifying proteins?
✔✔ Golgi apparatus
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,What is the fluid portion of the cytoplasm called?
✔✔ Cytosol
What type of feedback mechanism is used to maintain homeostasis?
✔✔ Negative feedback
What part of the brain controls breathing and heart rate?
✔✔ Medulla oblongata
What is the smallest living unit of all organisms?
✔✔ Cell
What is the name of the bone in the upper arm?
✔✔ Humerus
What type of connective tissue connects muscle to bone?
✔✔ Tendon
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, What is the name of the valve between the left atrium and left ventricle?
✔✔ Mitral valve
What part of the nephron filters blood plasma?
✔✔ Glomerulus
What structure transports urine from the kidney to the bladder?
✔✔ Ureter
What part of the brain processes sensory information for touch and temperature?
✔✔ Parietal lobe
What is the name of the nerve that carries visual signals to the brain?
✔✔ Optic nerve
What part of the eye adjusts the size of the pupil?
✔✔ Iris
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