Muscular and respiratory system

What is the name of the receptors that detect change in blood pH?

• Baroreceptors

• Chemoreceptors

• pH receptors

• chemicalreceptors

What part of the brain receives signals regarding changing breathing rate?

• Cardiac control centre

• Respiratory control centre

• Breathing control centre

• Hypothalamus

Name the missing part in the travel of air into the lungs:

pharynx, larynx, trachea, bronchi, _________ alveoli

• Epiglottis

• Diaphragm

• Thoracic Cavity

• Bronchioles

Select the 3 characteristics of the membranes that increase efficiency of gaseous exchange.

• one cell thick

• large surface area

• layer of moisture

• lots of holes

Definition: "The volume of air

breathed in and out

with each breath"

• Breathing rate

• Tidal Volume

• Inspiratory Reserve Volume

• Vital Capacity

Definition: "The amount of air that can be forced out of the lungs after maximal inspiration."

• Tidal Volume

• Breathing Rate

• Vital Capacity

• Inspiratory Reserve Volume

Select the acute adaptations of the respiratory system

• Increased breathing rate

• Increased strength of respiratory muscles

• Increased size of thoracic cavity

• Increased tidal volume

Select the chronic adaptations of the respiratory system.

• Increased breathing rate

• Increased strength of respiratory muscles

• Increased Tidal Volume

• Increased Vital Capacity

What is different about training at altitude and sea level that causes adaptation to occur?

• The amount of food to eat

• The partial pressure of O2

• The partial pressure of CO2

• The partial pressure of nitrogen

Which respiratory muscles work during inspiration?

• Diaphragm

• Internal intercostals

• External Intercostals