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