Explanation

Plasma is a pale yellow mixture of water, proteins, and salts.

One of the functions of plasma is to act as a carrier for blood cells, nutrients, enzymes, and hormones.

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ND17-1-2023

Explanation

A biological species is a group of organisms

that can reproduce with one another in nature and produce fertile offspring.

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ND17-1-2023

Explanation

Oxygen is the most abundant element contained within living organisms

Oxygen composes about 65% of the whole-body mass

while 

Calcium is the most abundant mineral in the human body,

calcium makes up 1.5 to 2% of the total body weight.

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ND17-1-2023

Explanation

Chewing or mastication is the process by which food is crushed and ground by teeth.

It is the first step of digestion,

and it increases the surface area of foods to allow a more efficient breakdown by enzymes.

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ND17-1-2023