Characteristic of Living Things

Question 1

MRS NERG

Answer 1

Movement
Respiration
Sensitivity
Nutrition 
Excretion
Reproduction
Growth

Question 2

Level of Organisation

Answer 2

Organelles-Cells-Tissues-Organs-Organ Systems-Organsim

Question 3

Brain

Answer 3

Controls our thoughts, memory and speech, movements of arms and legs and the function of many organs in our body

Question 4

Ear

Answer 4

Is to transmit sound to brain thought different parts of the ear.

Question 5

Heart

Answer 5

Is and organ that pumps blood around the body. It plays a main role in the circulatory system.

Question 6

Liver

Answer 6

Detoxifies chemicals and metabolises drugs. Breaks down fat.

Question 7

Kidney

Answer 7

It filters waste products from the blood. It also produces urine that is sent to the bladder.

Question 8

Eye

Answer 8

The eye has many parts that work together to produce clear vision

Question 9

Lungs

Answer 9

It’s keep us alive. Oxygen enters lungs and goes through blood vessels on to all parts of our body.

Question 10

Stomach

Answer 10

Secretes acid and enzymes that digest food.

Question 11

Large intestine

Answer 11

Is to absorb after from remaining indigestible food.

Question 12

Small intestine

Answer 12

Where 90% of digestion and absorbtion of food and nutrients occur.

Question 13

Gallbladder

Answer 13

Small hollow organ where bile is stored and concentrated before it is released into the small intestine.

Question 14

Pancreas

Answer 14

Converting the food we eat into fuel for the body’s cells. It also helps in digestion and regulates body sugars.

Question 15

Oesophagus

Answer 15

Long, thin, and muscular tube that connects the pharynx (throat) to the stomach.

Question 16

Organs in a plant

Answer 16

Flower, leaf, stem, root

Question 17

What do plants absorb through roots

Answer 17

Nutrients e.g. nitrate, water, magnesium which makes chlorophyll.

Question 18

Male/female organ in plant

Answer 18

Male-anther, filament

Female-stigma, style, ovary

Question 19

Bones in human body

Answer 19

Cranium (skull), Mandible (jaw bone), Rib cage, Radius, Ulna, Femur, Tibia, Fibula, Knee cap (patella), coccyx, pelvis, vertebral column (spine/backbone), sternum (breast bone), humorous, scapula (shoulder blade).

Question 20

Ball and socket joint

Answer 20

The ball at one end of the bone fits into a socket in another. This allows circular movement, all around
Rist, shoulder, hip, pelvis

Question 21

Hinge joint

Answer 21

The bones can only move in one direction, like a door on hinges
Elbow, knee, ankle

Question 22

bone is made from

Answer 22

Calcium carbonate, a hard brittle substance
A protein called collagen that is soft and flexible
Water

Question 23

What happen if you put bone in acid

Answer 23

It becomes, flexible, smooth doesn’t break easily

Question 24

When bone has been put in acid what substance has been removed.

Answer 24

Calcium carbonate has been removed by the acid because the bone has become soft and flexible so lots of collagen has been added instead.

Question 25

Ways proving that bone contains water

Answer 25

Use cobalt chloride paper on inside of bone it should turn blue to pink Heat bone and then collect water Using copper sulphate anhydrous- turns white salt to blue in the presence of water

Question 26

Muscles

Answer 26

Contract

Question 27

Tendons

Answer 27

Do not bend, attach muscle to bone

Question 28

Ligaments

Answer 28

Stretch

Question 29

Adaption

Answer 29

The process whereby a species evolves characteristics that enable it to survive in a particular habitat Adaption allows species to live successfully in their habitats Species living in different habitats need different adaptions

Question 30

Ways of adaption

Answer 30

``` Movement Communication Body shape Regulating body temp Diurnal or nocturnal Camouflage Escaping predation Effective hunting ```