Selina solutions for Concise Biology [English] Class 6 ICSE chapter 5 - Respiratory System [Latest edition]

Put a tick (✓) against the most appropriate alternative in the following statement.

In humans, taken in of the air through nostrils into the nasal cavity is called

The front opening of the wind pipe is guarded by ______.

Put a tick (✓) against the most appropriate alternative in the following statement.

The process during which food is oxidised and energy is released is called

Answer briefly the following:

Why do our body cells require oxygen?

Answer briefly the following:

What is the difference between breathing and respiration?

Name the by-product formed during the oxidation of food.

Answer briefly the following:

Name the agency which transports oxygen to all parts of the body.

Answer briefly the following:

What is the role of epiglottis during swallowing?

Describe in brief the function of ribs and diaphragm in breathing.

Name the gas which is expelled out during expiration. Where is it originally produced in our bodies?

Name the following:

Respiratory process in which oxygen is not utilized.

Name the following:

Respiratory process in which oxygen is utilized.

Name the following:

The microscopic air-sacs of the lungs.

Name the following:

The two membranes which protect the lungs.

Why is the respiratory system necessary?

What factors are most likely to affect the breathing rate?

What happens to the energy liberated during respiration?

What do you understand by inhalation and exhalation? How are they different from each other?

What do you understand by the term respiratory diseases? Name any three common respiratory diseases.

State the cause and treatment for the following disease

Tuberculosis

State the cause and treatment for the following disease

Pneumonia

State the cause and treatment for the following disease

Bronchitis

Fill in the blanks.

The respiration is of two types _________ and _________

Fill in the blank.

In human beings, the exchange of gases takes place in _____.

Fill in the blank.

Bronchi divide into smaller tubes called _________.

Fill in the blank.

________is present in the red blood cells and helps in the transport of oxygen.

Fill in the blank.

________is a muscular membrane present below the lungs

Fill in the blank.

The Malpighian body consists of Bowman’s capsule and _____________.

Fill in the blanks.

Sweat serves to excrete excess _________ and ________.

Write true or false for the following statement. Rewrite the false statement correctly.

Respiration and breathing are two different processes.

Write true or false for the following statement. Rewrite the false statement correctly.

Breathing is a chemical process.

Write true or false for the following statement. Rewrite the false statement correctly.

The oxidation of food to release energy and water is called breathing.

Write true or false for the following statement. Rewrite the false statement correctly.

The exchange of gases through the skin is called cutaneous respiration.

Write true or false for the following statement. Rewrite the false statement correctly.

The trachea branches into two tubes called bronchioles.

Write true or false for the following statement. Rewrite the false statement correctly.

The microscopic air sacs present in the lungs are called bronchi.

Write true or false for the following statement. Rewrite the false statement correctly.

The walls of alveoli are richly supplied with veins.

Write true or false for the following statement. Rewrite the false statement correctly.

The mature roots and woody stems of certain trees have openings called lenticels.

Arrange the following organs in the correct order to show the path of air.

trachea, nose, bronchioles, bronchi, larynx, alveoli, pharynx, lungs

Differentiate between

Aerobic respiration and Anaerobic respiration.

Differentiate between

bronchi and alveoli.

Differentiate between

Breathing and Respiration.

Differentiate between

Bowman’s capsule and alveolus

Find the odd one out. Give a reason for your choice.

ureter, kidney, urinary bladder, lung, urethra

Find the odd one out. Give a reason for your choice.

skin, heart, lung, liver, kidney

Find the odd one out. Give a reason for your choice.

tannin, urine, latex, resin

Define respiration.

What is the full form of ATP?

Define cutaneous respiration

What is the role of the diaphragm in respiration in human beings?

How is the process of respiration different from breathing?

Explain the process of Cellular Respiration.

How is aerobic respiration different from anaerobic respiration?

What happens to Oxygen after it enters the lungs?

Why is it better to breathe through your nose than your mouth?