B4 - Organising Animals And Plants

Question 1

Name all different blood types

Answer 1

Red blood cell
White blood cell (lymphocytes / phagocytes)
Plasma
Platlets

Question 2

Name all blood vessels

Answer 2

Arteries - narrow lumen - thick muscular wall
Veins - large lumen - thin wall
Capillaries - very thin wall - large lumen

Question 3

What side is oxygenated blood

Answer 3

LORD 
L- left 
O - oxygenated 
R- right 
D - deoxygenated

Question 4

Name all parts of the heart..

Answer 4

vena cave - right atrium - right ventricle - pulmonary artery - pulmonary vein - left atrium - left ventricle - aorta

Question 5

Breathing and gas exchange

Answer 5

The lungs - trachea - bronchi (each one is bronchus) - bronchioles - alveoli

Question 6

What happens in the alveolus

Answer 6

Oxygen diffuses out of the alveolus (high concentration) to the blood (low concentration)

Then the other way round to breath out.

Question 7

Name tissues and organs in plants

Answer 7

Xylem 
Phloem 
Epidermal tissue 
Palisade mesophyll tissue
Spongy mesophyll tissue

Question 8

Why do plants need water?

Answer 8

Water is a reactant of photosynthesis to help make glucose
It allows the stomata to become turgid and open
The plant cools down
Water makes the plant strong and turgid

Question 9

How do plants control the rate of transpiration?

Answer 9

Waxy cuticle
Guard cells open and close the stomata
Few stomata on the upper surface of the leaf

Question 10

What is transpiration ?

Answer 10

Transpiration is the evaporation and diffusion of water from the surface of the leaf.