Explanation

When kidneys stop working permanently, the most effective long-term solution is kidney transplantation.

It replaces the failed kidney with a healthy one from a donor, restoring normal function.

Explanation

The cells in the nasal chamber, specifically the olfactory cells, detect smell.

These sensory cells send signals to the brain to process different odors.

Explanation

Insulin production through modern biotechnology involves using genetically modified organisms to produce insulin for treating diabetes.

This method has revolutionized the treatment of diabetes, providing a reliable and abundant supply of insulin.

Explanation

Explanation

The medulla oblongata is part of the hindbrain and plays a key role in transmitting messages between the brain and the spinal cord.

It also controls essential functions such as breathing, heart rate, and blood pressure.

Explanation

In terrestrial ecosystems, plants are the main producers that convert sunlight into energy via photosynthesis.

They form the base of the food chain and support all other life forms.

Explanation

The spinal cord controls movement by transmitting signals between the brain and body; damage can cause paralysis.

The severity depends on the injury location, but mobility loss is a common result.

Explanation

Phytoplankton are microscopic plants that perform photosynthesis and form the base of the marine food chain.

They provide energy for small marine animals, which are then eaten by larger predators.

Explanation

Androecium is the collective term for the male reproductive parts of a flower, called stamens.

Each stamen typically consists of an anther (pollen-producing) and a filament.

Explanation

Xylem transports water and dissolved mineral salts upward from the roots to the leaves.

It plays a key role in plant hydration and nutrient distribution for photosynthesis.