Explanation

The kidneys are part of the urinary tract that makes urine (pee).

Urine has salts, toxins, and water that need to be filtered out of the blood.

After the kidneys make urine, it leaves the body using the rest of the urinary tract as a pathway.

Explanation

Herpetology is the scientific study of reptiles and amphibians.

It includes the study of their biology, behavior, ecology, and conservation.

Explanation

Tissue is composed of similar types of cells that work together to accomplish common tasks, and the study of biological tissue at the tissue level is histology.

Histology means نسیجیات

Explanation

Explanation

Whales are marine mammals.

It belonging to the order Cetacea.

This also includes dolphins and porpoises.

They breathe air, give birth to live young, and produce milk to feed their offspring, like all mammals.

Explanation

• Platelets, also called thrombocytes.
• They are blood cells that play a vital role in blood clotting.
• When a blood vessel is injured, platelets aggregate to form a plug that stops the bleeding.

Explanation

 Rainbows occur when sunlight is refracted, reflected, and dispersed in water droplets, creating a spectrum of colors.

When light meets a water droplet,

It is refracted at the boundary of air and water, and enters the droplet

Where the light is dispersed into the seven colors

Explanation

Amoeba and Paramecium are unicellular, eukaryotic organisms classified under Kingdom Protista.

They live in water and move using structures like pseudopodia (Amoeba) and cilia (Paramecium).

Explanation

Robert Brown discovered the nucleus in plant cells.

It was first described by Franz Bauer in 1804 and in more detail in 1831 by Scottish botanist Robert Brown.

Explanation