Class 5 ***The Cell

Question 1

***All living things consist of …..

Answer 1

one of more cells

Question 2

***Each cell can live …..

Answer 2

independently of the rest

Question 3

***Cells can only arise …..

Answer 3

from other cells

Question 4

***What is the most fundamental working unit in the human body?

Answer 4

The cell

Question 5

***What is the cell considered in relation to the human body?

Answer 5

the most fundamental working unit

Question 6

*______ are the building ______of the body’s ______________.

Answer 6

• CELLS are the BLOCKS of the body’s TISSUES, ORGANS AND ORGAN SYSTEMS.

Question 7

***Cells comprise ______ of our body’s weight and are found in a variety of __________________.

Answer 7

• two-thirds (2/3)
• sizes, shapes and internal structures

Question 8

***What does each cell require to sustain itself?

Answer 8

• nutrients
• oxygen

Question 9

***All cells produce energy to support what?

Answer 9

vital physiological functions

Question 10

***What are cells able to convert and to what?

Answer 10

nutrients from the food we eat –> specific chemical energy (to drive physiological functions)

Question 11

***What is the powerhouse of the cell

Answer 11

the mitochondria

Question 12

***What surrounds the cell?

Answer 12

the plasma membrane

Question 13

***What is the plasma membrane?

Answer 13

a flexible and semi-permeable barrier that surounds and defines the extent of the cell.