Nutrients are absorbed into the blood through ________________.

Tigers have sharp teeth because they are:

• All the carnivores need sharp teeth to tear flesh eaten by them.

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.