Respiratory System

Question 1

Breathing rate

Answer 1

How many breaths you take per minute

Question 2

Tidal volume

Answer 2

The amount you breathe (in and out )in one normal breath

Question 3

Minute ventilation

Answer 3

The volume of you breathe in one minute

Tidal volume X breathing rate = minute ventilation

Question 4

Functions of the respiratory system

Answer 4

1. to bring oxygen into the body

2. to take carbon dioxide out of the body

Question 5

Pathway of air

Answer 5

Never play Luton town ball Boy Association

Nasal passage, pharynx, larynx, trachea,bronchi , bronchioles,alveoli

Question 6

Gaseous exchange

Answer 6

> Occurs in the alveoli
Delivers oxygen from the lungs to bloodstream and extracts CO2 from the bloodstream is to the lungs
O2 leaves the alveoli through capillaries and enters the bloodstream
Athletes with good endurance can diffuse O2easier because they have better cardiac output and on the surface area of the alveoli

Question 7

Aerobic exercise

Answer 7

Long duration of low intensity exercise where oxygen is needed E.g. 1500m,football, walking

Question 8

Anaerobic exercise

Answer 8

Short duration of high-intensity exercise without the use of oxygen
> waste product=lactic acid
E.g. 100 meter sprint, weightlifting

Question 9

Why is lactic acid formed?

Answer 9

During anaerobic exercise >oxygen runs out
> muscles use glycogen as fuel 
>glycogen is made from nutrients in food
>When run out lactic acid is made
>causing Muscles to fatigue

Question 10

Three ways to get rid of lactic acid

Answer 10

1. rest
2. stretch
3. ice bath