Explanation

The elbow is a joint, while thumb, finger, and toe are all specific digits on the body.

Elbow refers to a part of the limb, not a digit like the others.

Explanation

A saturated solution contains the maximum amount of solute that can dissolve at a given temperature.

Any additional solute will remain undissolved, as the solution has reached its limit.

Explanation

Jet fuel (aviation turbine fuel) is primarily refined from kerosene oil.

It provides high energy output and burns efficiently in jet and some rocket engines.

Explanation

The strength or intensity of a force is measured by its magnitude, which represents its size.

Force is a vector quantity, meaning it has both magnitude and direction.

Explanation

The pancreas produces insulin, which regulates blood sugar levels.

In diabetes, the pancreas does not produce enough insulin or the body cannot use it properly.

Explanation

A meteorite is a small solid rock that survives its passage through the Earth's atmosphere and lands on the surface.

It differs from a meteoroid (before entering the atmosphere) and a meteor (which burns up in the atmosphere).

Explanation

The cerebrum is the largest and most developed part of the brain.

It is responsible for thinking, memory, and decision-making.

Humans have the largest cerebrum relative to body size, enabling advanced cognitive functions.

Explanation

Ancient Greek medicine believed that health depended on the balance of four bodily fluids or "humors": blood, phlegm, black bile, and yellow bile.

Imbalance in these humors was thought to cause disease.

Explanation

Epiphytes grow on large trees to access sunlight but do not harm the host tree or take nutrients from it.

This is an example of commensalism, where one organism benefits and the other is unaffected.

Explanation

The pith is the central part of the stem, mainly used for storage of nutrients and water.

It is surrounded by vascular tissues that transport water and nutrients throughout the plant.