energy for life 1

Question 1

What is the primary function of respiration?

Answer 1

To provide oxygen to the body and remove carbon dioxide.

Question 2

True or False: Respiration occurs only in animals.

Answer 2

False

Question 3

Fill in the blank: The process of breathing involves inhalation and __________.

Answer 3

exhalation

Question 4

What gas do we inhale during respiration?

Answer 4

Oxygen

Question 5

What is the main organ involved in gas exchange?

Answer 5

Lungs

Question 6

Which part of the respiratory system is responsible for filtering and warming air?

Answer 6

Nasal cavity

Question 7

What is the name of the tiny air sacs in the lungs where gas exchange occurs?

Answer 7

Alveoli

Question 8

True or False: The diaphragm is a muscle that helps with breathing.

Answer 8

True

Question 9

What is the process by which oxygen is transported in the blood?

Answer 9

Binding to hemoglobin

Question 10

What is the role of the circulatory system in respiration?

Answer 10

To transport oxygen and carbon dioxide to and from cells.

Question 11

What is the term for the exchange of gases between the alveoli and the blood?

Answer 11

External respiration

Question 12

Fill in the blank: __________ respiration occurs in the absence of oxygen.

Answer 12

Anaerobic

Question 13

What is the chemical equation for aerobic respiration?

Answer 13

Glucose + Oxygen → Carbon Dioxide + Water + Energy

Question 14

What is the primary waste product of respiration?

Answer 14

Carbon dioxide

Question 15

True or False: The lungs are located in the abdominal cavity.

Answer 15

False

Question 16

What structure prevents food from entering the trachea?

Answer 16

Epiglottis

Question 17

What is the purpose of the pleural membranes?

Answer 17

To reduce friction and allow smooth movement of the lungs.

Question 18

What is the name of the process that moves air in and out of the lungs?

Answer 18

Ventilation

Question 19

Fill in the blank: The __________ is the main airway that conducts air to the lungs.

Answer 19

Trachea

Question 20

What is the difference between inhalation and exhalation?

Answer 20

Inhalation brings air into the lungs, while exhalation pushes air out.

Question 21

What is the role of cilia in the respiratory system?

Answer 21

To trap and move particles out of the airways.

Question 22

What is the significance of the surface area of the alveoli?

Answer 22

It increases the efficiency of gas exchange.

Question 23

True or False: Oxygen is the only gas exchanged during respiration.

Answer 23

False

Question 24

What is the term for the amount of air that can be forcibly exhaled after a normal breath?

Answer 24

Expiratory Reserve Volume (ERV)

Question 25

What role does carbon dioxide play in the body?

Answer 25

It helps regulate blood pH and is a waste product of metabolism.

Question 26

What is the function of the intercostal muscles?

Answer 26

To assist in the expansion and contraction of the chest cavity.

Question 27

Fill in the blank: The __________ is the primary site of gas exchange in the lungs.

Answer 27

Alveoli

Question 28

What are the two main types of respiration?

Answer 28

Aerobic and anaerobic

Question 29

True or False: Anaerobic respiration produces more energy than aerobic respiration.

Answer 29

False

Question 30

What is the role of hemoglobin in the blood?

Answer 30

To transport oxygen from the lungs to the body's tissues.

Question 31

What happens to the diaphragm during inhalation?

Answer 31

It contracts and moves downward.

Question 32

Fill in the blank: The __________ is a network of blood vessels surrounding the alveoli.

Answer 32

Capillary network

Question 33

What is the effect of exercise on respiration rate?

Answer 33

It increases the respiration rate to meet higher oxygen demand.

Question 34

What is the name of the reflex that helps prevent choking?

Answer 34

Cough reflex

Question 35

True or False: The respiratory system is responsible for speech production.

Answer 35

True

Question 36

What are the main products of anaerobic respiration in muscles?

Answer 36

Lactic acid and energy

Question 37

What is the significance of the respiratory surface being moist?

Answer 37

It allows gases to dissolve and diffuse more easily.

Question 38

What is tidal volume?

Answer 38

The amount of air inhaled or exhaled in a normal breath.

Question 39

Fill in the blank: The __________ is the muscle that separates the thoracic cavity from the abdominal cavity.

Answer 39

Diaphragm

Question 40

What is the primary role of the alveolar epithelium?

Answer 40

To facilitate gas exchange.

Question 41

True or False: The lungs are protected by the rib cage.

Answer 41

True

Question 42

What is the term for the process of gas exchange at the cellular level?

Answer 42

Internal respiration

Question 43

What does the term 'vital capacity' refer to?

Answer 43

The maximum amount of air a person can exhale after a maximum inhalation.

Question 44

What happens to carbon dioxide levels in the blood during hyperventilation?

Answer 44

They decrease.

Question 45

Fill in the blank: __________ is the gas that is primarily produced during cellular respiration.

Answer 45

Carbon dioxide

Question 46

What is the primary function of the bronchi?

Answer 46

To conduct air from the trachea to the lungs.

Question 47

True or False: The right lung has three lobes, while the left lung has two lobes.

Answer 47

True

Question 48

What is the primary role of surfactant in the lungs?

Answer 48

To reduce surface tension in the alveoli.

Question 49

What is the effect of smoking on the respiratory system?

Answer 49

It damages lung tissue and reduces lung function.

Question 50

Fill in the blank: The __________ is the flap of tissue that covers the trachea during swallowing.

Answer 50

Epiglottis

Question 51

What is the role of the nasal passages in respiration?

Answer 51

To filter, warm, and humidify incoming air.

Question 52

What is the primary method of carbon dioxide transport in the blood?

Answer 52

As bicarbonate ions.