Share Body defences against diseases
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Which body part acts as the first line of defense against germs?
Teeth
Hair
Skin
Nails
What substance in our eyes helps wash away dust and germs?
Sweat
Saliva
Tears
Blood
What do tears contain that can kill some germs?
Sugar
Acids
Salt
Enzymes
What sticky substance in the nose traps dust and germs?
Wax
Saliva
Blood
Mucus
Which tiny hairs in the nose help move mucus and trapped germs out?
Villi
Roots
Cilia
Fibers
What kills most germs that enter our stomach with food?
Stomach acid
Blood
Sweat
Saliva
Which part of the body forms a hard barrier to stop germs from entering?
Hair
Skin
Tongue
Teeth
Which liquid in the mouth helps wash away food particles and some germs?
Blood
Tears
Saliva
Mucus
What happens if the skin is cut and germs enter?
Germs are washed away
Infection may occur
Germs die immediately
Nothing happens
Which organ produces mucus to trap germs in the airways?
Lungs
Liver
Kidney
Heart
What should we do to prevent germs from spreading by hands?
Wear shoes
Comb hair
Wash hands
Eat snacks
Covering your mouth when sneezing helps to…
Stop germs from spreading
Keep your mouth clean
Make you sneeze louder
Help you breathe better
Why should we boil water before drinking?
To make it heavy
To add taste
To kill germs
To make it cold
Why should we cook food properly?
To save time
To kill harmful germs
To make it soft
To change color
Which of these stops most germs from entering the body?
Nails
Skin
Hair
Bones
How does sweat help defend the body?
It makes skin dry
It smells nice
It washes away some germs
It keeps us warm
