Practice FPSC questions with answers and explanations.
Choose an option to check your answer.
Oxygen concentration is higher in alveolar air than in incoming blood.
It diffuses across the thin respiratory surface.
Choose an option to check your answer.
Skin covers the entire external body surface.
It protects tissues and helps regulate temperature.
Choose an option to check your answer.
Carbon dioxide is transported from tissues to the lungs.
It diffuses into alveoli and is exhaled.
Choose an option to check your answer.
The liver is the largest internal solid organ.
It performs metabolism, detoxification, and bile production.
Choose an option to check your answer.
Digestion breaks large food molecules into smaller units.
These nutrients can then be absorbed into blood or lymph.
Choose an option to check your answer.
The femur is the thigh bone.
It is also one of the strongest bones.
Choose an option to check your answer.
The small intestine has villi that greatly increase surface area.
Most digested nutrients enter blood or lymph there.
Choose an option to check your answer.
Bones support body shape and protect organs.
They also provide attachment points for muscles.
Choose an option to check your answer.
The large intestine absorbs remaining water and salts.
It compacts undigested material into feces.
Choose an option to check your answer.
Tendons are strong connective tissues linking muscles to bones.
They transmit muscular force to the skeleton.
Choose an option to check your answer.
The liver produces bile.
The gallbladder stores and concentrates it.
Choose an option to check your answer.
Ligaments stabilize joints by connecting bones.
They limit excessive movement.
