Raju get stomach ache. Which one of the following could be the reason?
He ate food at seven in the evening
He drank water after eating food
He did not chew the food properly
He did not wash his hands properly
In humans, during respiration, oxygen is taken in and carbon dioxide is given out. Which one of the following organ is a part of the respiratory system?
Lungs
Stomach
Heart
Brain
Our stomach expands when the food enters and contracts when it goes out. Thus the stomach can expand and contract. This is possible because our stomach is made of
bones
muscles
blood
iron
The lower two channels of human heart are called
rooms
ventricles
auricles
nephrons
Which one of the following correctly represents the passage of oxygen in the respiratory system?
Nose → Lungs → Wind pipe → Blood
Nose → Blood → Wind Pipe → Lungs
Nose → Wind Pipe → lungs → Blood
Nose → blood → Lungs → Wind pipe
To clean muddy water we use filter papers. An organ in our body performs a similar function. It filters the blood and waste materials. Name the organ.
Urine
Urinary Bladder
Kidneys
Blood
Our heart has ________ chambers.
One
Two
Three
Four
Kidneys are located in:
the chest
the abdomen
the hands
the left side of the body
Which one of the following organs is used for respiration by a tadpole?
Skin
Gills
Book lungs
Which one of the following is located in our chest?
Small intestines
