2.2 - Levels Of Organisation

Question 1

Ciliated Cell

Answer 1

Designed to stop lung damage
Line the trachea
Have tiny hairs called cilia
Sweep mucus with bacteria back up the throat

Question 2

Sperm Cell

Answer 2

Designed to fertilise egg cell
Found in the testes
Has a small head and long tail for movement
Contains enzymes

Question 3

Egg Cell

Answer 3

Designed to be fertilised
Found in the ovaries
Large and bulky

Question 4

Red Blood Cells

Answer 4

Designed to transport oxygen
Bison cave shape
No nucleus
Flexible 
Contains haemoglobin

Question 5

Muscle Cell

Answer 5

Designed for Movement

Contains many protein fibres to help in contracting and expanding

Question 6

Root Hair Cell

Answer 6

Absorbs minerals and water
Found in the plant root
Thin cell wall for osmosis and diffusion
Large surface area for more absorption

Question 7

Xylem Cell

Answer 7

Transports water and supports the plant
Lignin makes it strong and waterproof
Long, thin cells arranged end to end to form vessels

Question 8

Palisade Cell

Answer 8

Photosynthesizes
Found on leaves
Regular shape so many can fit in a small shape
Many chloroplasts

Question 9

Cell

Answer 9

Smallest part of a living structure that can operate as an independent unit

Question 10

Tissue

Answer 10

Group of cells with similar structures, working together to perform a shared function

Question 11

Organ

Answer 11

A structure made up of tissue working together to perform a specific function

Question 12

Organ System

Answer 12

A group of organs working together to perform body functions

Examples: Respiratory System, Immune System, Reproductive Systems, Muscular Skeletal System, Circulatory System, Excretory System, Nervous System, Digestive System & Endocrine System

Question 13

Magnification

Answer 13

= size of drawing / size of specimen = image / actual = I / A