B2.2

Question 1

Why do cells of multicellular organisms may differentiate and become adapted?

Answer 1

To perform a specific function

Question 2

What are tissues

Answer 2

Aggregations of cells with similar structure and functions

Question 3

What are organs

Answer 3

Organs are aggregations of tissues performing specific physiological functions

Question 4

Why are organs organised into organ systems

Answer 4

To work together to form organisms

Question 5

what do large multicellular organisms develop

Answer 5

Systems for exchanging materials

Question 6

During the development of a multicellular organism…

Answer 6

Cells differentiate so that they can perform different functions

Question 7

Examples of tissues

Answer 7

Muscular tissue
Glandular tissue
Epithelial tissue

Question 8

What are organs made of

Answer 8

Tissues

Question 9

What tissues are in the stomach

Answer 9

Muscular tissue
Glandular tissue
Epithelial tissue

Question 10

Muscle tissue

Answer 10

Contracts to bring about movement

Question 11

Glandular tissue

Answer 11

Produces substances such as enzymes and hormones

Question 12

Epithelial tissue

Answer 12

Covers some parts of the body

Question 13

How many tissues can an organ contain

Answer 13

Several tissues

Question 14

What tissues does the stomach contain

Answer 14

Muscular
Glandular
Epithelial

Question 15

What does the muscular tissue do in the stomach

Answer 15

Churn the contents

Question 16

What does the glandular tissue do in the stomach

Answer 16

Produces digestive juices

Question 17

What does the epithelial tissue do in the stomach

Answer 17

Covers the outside and inside of the stomach

Question 18

What are organ systems

Answer 18

Groups of organs that perform a particular function

Question 19

What is the digestive system an example of

Answer 19

A system in which humans and other mammals exchange substances with the environment

Question 20

What does the digestive system include

Answer 20

Glands
Stomach
Liver
Small intestine 
Large intestine

Question 21

Glands

Answer 21

Such as the pancreas and salivary glands which produce digestive juices

Question 22

Stomach

Answer 22

Where digestion occurs

Question 23

Liver

Answer 23

Produces bile

Question 24

Small intestine

Answer 24

Where absorption of soluble food occurs and digestion

Question 25

Large intestine

Answer 25

Where water is absorbed from the undigested food producing faeces

Question 26

Plant organs

Answer 26

Stem
Roots
Leaves

Question 27

What is the mesophyll tissue

Answer 27

Where most of the photosynthesis occurs