Explanation

Kidneys filter blood to remove waste and excess substances, producing urine.

They also regulate body water, electrolytes, and maintain acid-base balance.

Explanation

Kangaroo is a warm-blooded mammal, meaning it maintains a constant body temperature regardless of the environment.

Crocodile, shark, and snake are cold-blooded, relying on external sources to regulate their body temperature.

Explanation

A mammal is a warm-blooded vertebrate that has hair/fur and feeds milk to its young.

Kangaroo is a marsupial mammal, known for carrying its young in a pouch.

Explanation

The element that is NOT a major bioelement but a trace element in living organisms is D) Zinc (Zn). 

Explanation

 Enzymatic activity can be inhibited by heavy metal ions, which can disrupt the enzyme's structure and function.

Explanation

"Dehydration" refers to the removal of water from a substance or organism.

It involves the loss of water, which can lead to various effects, such as dryness or reduced function.

Explanation

• Cell division is the process by which a cell splits into two daughter cells, resulting in the multiplication of new cells.
• This process is essential for growth, development, and tissue repair in living organisms.

Explanation

• The Peripheral Nervous System (PNS) consists of nerves that connect the Central Nervous System (CNS) to the rest of the body.
• It enabling communication and transmission of signals.

Explanation

The Brain is the "boss" of the human body, serving as the control center for all bodily functions, including:

• Movement
• Sensation
• Perception
• Emotions
• Thoughts
• Regulation of various bodily systems

Explanation

• Xylem is the vascular tissue responsible for transporting water and minerals from the roots to the leaves through continuous tubes.
• It also known as xylem vessels or tracheary elements.