Explanation

 Human tissues, particularly in organs like the brain and kidneys, can contain approximately 85% water.

The exact percentage varies by tissue type, but many, especially soft tissues, are largely composed of water.

Explanation

Interferons are cytokines that help activate natural killer cells as part of the immune response

Explanation

Passive immunity is when an individual receives antibodies from an external source, such as from a mother's milk.

Explanation

The link reaction (pyruvate to acetyl-CoA), Kreb's cycle (citric acid cycle), and the electron transport chain all occur in the mitochondria.

Explanation

• Smoking is the leading cause of lung cancer.
• It is responsible for about 80-90% of all lung cancer deaths.

Explanation

65% of the human body is oxygen.

Oxygen is a major component of water.

It makes up a significant portion of body mass.

Explanation

Nitrogen is an important mineral nutrient for plants and is essential for their growth and development. 

Explanation

A capsid is a protein coat surrounding a virus's genetic material, and it's composed of individual protein subunits called capsomeres

Explanation

Amino acids are a product of the digestion of proteins.

During digestion, proteins are broken down into amino acids.

They are then absorbed and used by the body for various functions.

Explanation

Malpighian tubules are found in grasshoppers and other insects, functioning in excretion.