Respiration in Organisms Science - Respiration in Organisms

Insects have small openings on the outside of their bodies. These openings are called:

The small openings in the body of a cockroach are called.

Choose which among the following can breathe through lungs as well as through skin?

What happens in the process of exhalation?

Pick the odd-one-out from each of the groups given below on the basis of respiratory organs. Give reason for your answer. Crocodile, whale, dolphin, fish.

Why we should cover our nose while sneezing?

A part from stomata another structure is used by plants to respire. Name that structure.

Ravi is sleeping, his rate of breathing will be slowest or higher?

Explain cellular respiration.

What facilitates opening and closing of stomatal pores?

Why does an athlete breathe faster and deeper than usual after finishing the race?

Explain the process of breathing in fish.

After we work hard or perform physical activity, we feel hungry. Explain why.

Draw a labelled diagram of insect's tracheal system.

Given below is a square of letters in which are hidden different words related to respiration in organisms. These words may be present in any direction-upwards, downwards, or along the diagonals. Find the words for your respiratory system. Clues about those words are given below the square.

1. The air tubes of insects.
2. Skeletal structures surrounding chest cavity.
3. Muscular floor of chest cavity.
4. Tiny pores on the surface of leaf.
5. Small openings on the sides of the body of an insect.
6. The respiratory organs of human beings.
7. The openings through which we inhale.
8. An anaerobic organism.
9. An organism with tracheal system.

Given below is a square of letters in which are hidden different words related to respiration in organisms. These words may be present in any direction- upwards, downwards, or along the diagonals. Find the words for your respiratory system. Clues about those words are given below the square.



Clues:

1. The air tubes of insects.
2. Skeletal structures surrounding chest cavity.
3. Muscular floor of chest cavity.
4. Tiny pores on the surface of leaf.
5. Small openings on the sides of the body of an insect.
6. The respiratory organs of human beings.
7. The openings through which we inhale.
8. An anaerobic organism.
9. An organism with tracheal system.

Insects and leaves of a plant have pores through which they exchange gases with the atmosphere. Can you write two points of differences between these pores with respect to their position, number and extension into the body?

Differentiate between aerobic and anaerobic respiration.

Respiration can occur in two different manners. Briefly explain the process of aerobic respiration. How does it differ from anaerobic respiration?

In the figure, label the arrows and indicate the direction of

1. Movement of air.
2. Movement of diaphragm.
3. Movement of ribs.

Explain the two types of respiration.

Whales and dolphins are seen many times releasing a fountain of water sometimes at the surface of water. Why do they do so?