Chapter 3 - The Cell

Question 1

When a group of cells work together it is known as a …

Answer 1

Tissue

Question 2

When a group tissues work together it is known as an …

Answer 2

Organ

Question 3

When a group of organs work together it is called a …

Answer 3

System

Question 4

Why do we grow?

Answer 4

Because cells can divide.

Question 5

Name three things that plant cells have that animal cells do not.

Answer 5

1) Cytoplasts (hold chlorophyll)
2) The cell wall (provides support)
3) Vacuoles (spaces in cytoplasm that store thins and provide support)

Question 6

What is cytoplasm again?

Answer 6

A watery substance that contains dissolved substances. It is where chemical reactions take place.

Question 7

Name the three main parts of an animal cell.

Answer 7

1) The cell membrane (protects the cell and controls what enters and exits the cell).
2) The cytoplasm (a watery substance containing dissolved substances such as proteins and sugars). Where chemical reactions take place.
3) The nucleus (the “control centre” of the cell.). It contains DNA