Which system helps us breathe?
Respiratory system
What should you do before eating?
Wash your hands.
Which organ pumps blood?
Heart
Which group of animals has a backbone?
Vertebrates.
Are birds warm-blooded or cold-blooded?
Warm-blooded.
Which system breaks down food?
Digestive system
How many hours of sleep do children usually need?
About 9–12 hours.
Which organs help us breathe?
Lungs
Is a butterfly a vertebrate or an invertebrate?
An invertebrate.
Which nutrient helps our muscles grow and repair?
Protein
Which system carries blood around the body?
Circulatory system
Which drink is best for your body?
Water.
Which organ helps us think and controls our body?
The brain
Which group has feathers, wings and a beak?
Birds.
My skin is moist, and I can live both in water and on land. Who am I?
Amphibian
Which system gives our body shape and protects our organs?
Skeletal system
What can make you sick and spread between people?
Germs.
Where does food go after it passes through the food pipe?
The stomach.
What do we call animals that eat plants?
Herbivores.
Is a bear a herbivore, carnivore or omnivore?
An omnivore.
Which two systems work together to help us run and jump?
Skeletal and muscular systems
Why does the body need carbohydrates?
They provide energy.
I protect your brain. What am I?
The skull
What does it mean if an animal is cold-blooded?
Its body temperature changes with the temperature of its surroundings.
I protect your head and brain when you ride a bicycle. What am I?
a helmet