Tissues, organs and organ systems

Question 1

What is a tissue?

Answer 1

A tissue is a group of specialised cells that have a similar structure and function.

Question 2

What is a Glandular tissue?

Answer 2

Produces substances such as enzymes and hormones

Question 3

What is a Muscular tissue?

Answer 3

Contracts, bringing about movement

Question 4

What is an Organ?

Answer 4

Organs are made of tissues. A particular organ may contain several different tissues.

Question 5

Name the three tissues in the stomach and their purpose

Answer 5

Muscular tissue - to churn the food and other contents of the stomach
Glandular tissue - to produce digestive juices including acid and enzymes
Epithelial tissue - to cover the inner and outer surfaces of the stomach

Question 6

Name a few organ systems

Answer 6

The nervous system
The respiratory system
The reproductive system
The digestive system

Question 7

What is the purpose of the Pancreas and salivary glands

Answer 7

Produce digestive juices

Question 8

What does the Liver produce?

Answer 8

Bile

Question 9

What does the small intestine do?

Answer 9

Digest and absorb soluble food

Question 10

What does the large intestine do?

Answer 10

Absorbs water from undigested food, producing faeces

Question 11

Name the three main plant tissues

Answer 11

Epidermal tissue
Mesophyll
Xylem and phloem

Question 12

What does the Mesophyll do?

Answer 12

Carries out photosynthesis

Question 13

Purpose of the xylem and phloem?

Answer 13

Transport of substances around the plant

Question 14

What is the purpose of the epidermal tissue?

Answer 14

To covers the plant

Question 15

Name the three plant organs

Answer 15

Roots, stem and leaves

Question 16

Name some of the adaptations plants have

Answer 16

Chlorophyll
Large surface area
Stomata
Thin
Network of veins

Question 17

What is the purpose of chlorphyll?

Answer 17

To absorb sunlight

Question 18

True or false: Large surface area helps to absorb more sunlight

Answer 18

True

Question 19

The stomata…

Answer 19

Lets carbon dioxide diffuse into the leaf

Question 20

What is the purpose of the adaptation ‘thin’

Answer 20

Short distances for carbon dioxide to diffuse into the leaf cells

Question 21

The purpose of network of veins?

Answer 21

To support the leaf and transport water and carbohydrates

Question 22

Adaptations of the internal structure of a leaf to allow efficient photosynthesis?

Answer 22

Spongy mesophyll inside the leaf
Layer of palisade cells on the top surface
Many chloroplasts in the palisade cells
Thin, transparent epidermis
Thin, waxy cuticle made of wax

Question 23

Which adaptation protects the leaf without blocking out light?

Answer 23

Thin, waxy cuticle made of wax

Question 24

Which adaptation allows more light to reach the palisade cells?

Answer 24

Thin, transparent epidermis