TOPIC 1:

1. To look at microscopic beings or micro-organisms we need a – MICROSCOPE, - SCALE, - RULE

2. People are ... living things.

multicellular

unicellular

3. Multicellular organisms are composed of ... .

a single cell

two or more cells

4. The intestines are organs of the _____________ System.

- digestive- Circulatory- Respiratory- Excretory

5. The role of _____________________ is to transform food into simple substance

called nutrients, and energy.

sensitivity

reproduction

nutrition

THE CELL

1

2

3

1

HEALTHY HABITS:

EVALUATION:

1. There are three vital functions: sensitivity, digestion and reproduction.

True

False2. All living things are made of ... .

cells

bones

3. ________________is inside the ceel. It is a viscous liquid which the organelles

float in.

Citoplasm

The cell membrane

The nucleus

The organelles

4. Animal and plant cells are made of ____________. Select the correct components. (VARIUOUS)

cell membrane

organelles

nucleus

cytoplasm

tissues

5. Match the concept to the correct definition.

1

2

3

4

Living things composed of a single cell Unicellular organisms

Living things composed of two or more cells Multicellular organisms

6. ____________ establish connections and transmit information to all parts of the body.

Epithelial cells

Nerve cells

Muscle cells

7. Levels of organisation in multicellular organisms.Select the correct order.

-->1.

Organs

Organism

System

Tissue

Cells

--> 2.

Organs

Organism

System

Tissue

3

1

2

3

5

4

2

4 5 1 3 2

3

5

4

2

Cells

--> 3.

Organs

Organism

System

Tissue

Cells

--> 4.

Organs

Organism

System

Tissue

Cells

--> 5.

Organs

Organism

System

Tissue

Cells

3 1 5 4 2

3

5

4

2

5 3 1 4 2

3

5

4

2

1 5 2 3 4

3

5

4

2

Match the organs to the correct system.

Stomach Circulatory systemHeart Excretory systemLungs Respiratory systemKidneys Digestive system

8. Write the correct word.To look at microscopic beings or micro-organisms we need an instrument called _____________.

9. ___________________cells insulate the body and protect it.

Nerve

Epithelial

Muscle

PARTS OF THE CELLS: Answers

1 5 2 4 3

3

1

2