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