Explanation

White Blood Cells (WBCs), also known as leukocytes, are a vital part of the immune system.

They protect the body from infectious diseases and foreign invaders by identifying and eliminating pathogens.

Such as bacteria, viruses, and other foreign substances.

Explanation

Gymnosperms are plants with "naked seeds," meaning their seeds are not enclosed within a fruit.

This group includes conifers like pine trees.

Explanation

Explanation

Explanation

Amnesia is a common term used to describe memory loss.

Loss can be temporary or permanent, but "amnesia" usually refers to temporary diversity.

Causes include head and brain injuries, certain medications, alcohol, traumatic events, or conditions such as Alzheimer's disease.

Explanation

Ultra Violet rays: most harmful and are almost completely absorbed by our atmosphere.

Explanation

Explanation

The part of the human body more prone to damage from the Hepatitis Virus is the Liver.

Hepatitis is an inflammation of the liver, caused by various hepatitis viruses (A, B, C, etc.).

It can lead to liver damage, cirrhosis, or liver cancer.

Explanation

Deficiency of Iodine causes Goitre disease.

Thyroxine is a hormone that causes Goitre in the human body.

Explanation

Algae, especially phytoplankton in oceans, are responsible for producing the largest amount of oxygen on Earth.

It contributing to over 50% of the planet's oxygen supply.