Which of these are excretory organs?
a) & b)
b) & c)
a) & c)
a), b) & c)
Which of the following carries oxygen to all the parts of the body?
Brain
Muscles
Blood
Nerves
The air we breathe out has more:
oxygen
water
blood
carbon dioxide
My heart has ________ chambers.
One
Two
Three
Four
The reproductive system helps us to:
produce babies
digest the eaten food
circulate the blood in our body
remove waste products from the body
Which of the following systems gives shape to our body?
Muscular system
Nervous system
Skeletal system
Circulatory system
Bits of food sticking to the teeth causes growth of bacteria. Bacteria attack the teeth which causes tooth decay. Tooth decay causes.
headache
bad breath
hunger
itching
Above diagram represents an organ which takes in oxygen and gives out carbon dioxide. Name the organ.
Small intestine
Kidneys
Lungs
Stomach
Select the INCORRECT option.
Helps in producing babies - Reproductive system
Controls our actions - Nervous system
Provides oxygen to all parts of the body - Respiratory system
Removes wastes from the body - Excretory system
The lungs take in oxygen from the air and remove carbon dioxide from the body. Which of the following systems helps to transport oxygen to all parts of the body?
Digestive System
Muscular System
Circulatory System
Respiratory System
