Tigers have sharp teeth because they are:

Which organ helps in digestion?

• Stomach lining secretes hydrochloric acid which helps in digestion of food.

Humans have ________ that helps them to crush their food.

• Humans have four different types of teeth i.e. canine, incisors, molar and premolar.

Pick the odd one out.

• Lungs are the respiratory organs.

Which of the following structures can help in the process of growth?

• We get required nutrients from food by digestion of it with the help of different organs.

Polar bear has fur on its skin that helps to maintain its body temperature.

• Most important function of bears fur is to camouflage into their environment.

Which is a J shaped organ?

• The enzymes and digestive juices secreted by stomach break down food into small particles so that it can pass through small intestine.

Kidneys are external organs.

• Kidneys are present inside our body to filter blood.

Pick the odd one out.

• Skin, scales and claws are present outside the body hence are external organs.
• Whereas,lungs are present inside the body hence are called internal organs.

Penguins have______ instead of arms.

Flippers of penguins are tapered and flattened so that they can flap through water .

Fishes have gills instead of ______ to breathe.

• Fishes live in water.
• Take oxygen from water.
• Have gills to take oxygen from water.

Lungs in animals carry______ to the blood and remove _____ from the blood.

• Lungs helps to release out carbon dioxide from the body.
• Lungs help in intake of oxygen.

Which organ filters blood in animals?

• Kidneys helps in excretion.
• These help in separation of waste material from blood.

Which part collects sunlight?

• Sunlight is required for photosynthesis to create food and energy in plants.
• Photosynthesis occurs in chloroplast present in leaves.
• Chloroplast has a green coloured pigment which is responsible for trapping sunlight.
• The green coloured pigment is known as chlorophyll.

Pick the odd one out.

Only lungs have an unique function and that is respiration.

Which of the following structures can help escape predation?

• The horns of animals work as weapons to kill their prey .