Which part of the body protects the lungs?
Ribs/ribcage
List all body defences (how the body keeps out pathogens)
tear, mucus, stomach acid, skin
Explain why your heart rate needs to increase when you are exercising.
The body needs more oxygen and nutrients
4 parts of soil (composition of soil)
Minerals, air, water and organic matter
What are three pathogens?
viruses, fungi, bacteria
What are three types of soil?
Sandy soil, clay soil, loam soil
Choose the correct word: When the diaphragm contracts (is pulled downward), inhalation / exhalation happens.
inhalation
Which material is best to use in making outer of the plug?
Plastic. Because it is an insulator to prevent getting electric shock
What are three parts of circulatory system?
blood, blood vessels, heart
List all female reproductive organs.
ovary, oviduct, uterus, vagina
What are three states of matter? Give an example for each state.
Solid, Liquid, Gas
What type of rock is this? It made from shells.
Limestone - Sedimentary rock
Which type of blood vessel (and from where to where) carries the most amount of oxygen in the circulatory system?
The vein carries blood from the lungs to the left sided heart.
What type of blood vessel carries blood from the heart to the organ?
Artery
List all organs of the Respiratory system.
Nose, mouth, windpipe (trachea), bronchi, alveoli, diaphragm
When you are doing an investigation, explain why you need to to repeat the investigation more times.
To get more accurate answer.
Tell me the change of states for boiling, melting, freezing.
boiling: liquid to gas/ melting: solid to liquid/ freezing: liquid to solid
What are three types of blood vessels?
Artery, Vein, Capillary
Which part of the female reproductive system allows the baby develop inside?
The uterus
What type of rock is this? It is layered and soft.
Sedimentary rock
List 2 ways to make the solid dissolves faster in the liquid?
- Stir the liquid/ - Heat the solution
What type of blood vessel covers the organ to exchange oxygen and nutrients with carbon dioxide and waste?
Capillary
List all male reproductive organs.
testis, penis, sperm duct
What type of blood vessel carries blood from the organ back to the heart?
Vein