Mitosis and Cell Function Concepts

The video explains that the human body is composed of trillions of cells, each with specific functions like muscle, blood, and nerve cells. It highlights that millions of cells die daily, but the body replaces them through mitosis, a process where one cell divides into two identical cells. Mitosis involves several steps, including DNA replication and cell division, ensuring each new cell has the correct instructions. This process is crucial for healing, growth, and maintaining health.

What is the primary role of muscle cells in the human body?

• To carry oxygen

• To help in movement

• To send messages

• To replace damaged cells

How does the body manage the loss of millions of cells daily?

• By using cells from other parts of the body

• By storing extra cells in advance

• By slowing down cell death

• By creating new cells through mitosis

What is the main purpose of mitosis in the body?

• To make identical copies of cells

• To eliminate old cells

• To produce energy

• To create different types of cells

Which of the following is NOT a reason for the body to undergo mitosis?

• Replacing damaged cells

• Producing energy

• Growing stronger bones

• Healing a cut

What is the first step in the process of mitosis?

• The cell divides into two

• The cell lines up its components

• The cell makes an exact copy of its DNA

• The cell sends messages to other cells

What ensures that each new cell gets the correct instructions during mitosis?

• The cell communicates with other cells

• The cell divides randomly

• The cell duplicates its DNA

• The cell uses energy reserves