exam- respiratory system Flashcards Preview

P.E - UNIT 2 > exam- respiratory system > Flashcards

Flashcards in exam- respiratory system Deck (21)
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1
Q

Conducting System

A

Nasal Cavity
• Larynx / Pharynx
• Trachea
• Bronchi

2
Q

Conducting System Function

A
• Warms
• Filters
• Moistens
• Delivers
Air to the gas exchange regions of lungs (alveoli)
3
Q

components of the circulatory system

A
  • heart
  • blood
  • blood vessels
4
Q

blood vessels

  1. arteries
  2. capillaries
  3. veins
A
  1. arteries DONT allow transfer, further away from the heart the smaller they get
    - cant transfer but can move
    - carry blood away from the heart
    - usually oxygenated blood
    - withstand high pressure
  2. capillaries transfer blood to your tissues (gases, nutrients)
    - EXHANGE, DIFUSE, TRANSFER GASES
    - let air & small particles through (gases, nutrients)
    - thin walled
  3. veins return blood to the heart
    - blood in the veins have no pressure - little movement
    - need assistance in returning blood to the heart
    - veins have valves
5
Q

vasoconstriction

A

when the muscle contracts and the artery gets smaller (restricted)

  • reduces opening
  • reduced blood flow
6
Q

vasodilation

A

when the blood vessel (muscle around the artery) relaxes

  • opening becomes bigger
  • heavier blood flows
7
Q

HEART

A

left side - oxygenated
right side - un oxygenated
-muscular pump

8
Q

function of the heart

A
  • deliver oxygen/nutrients
  • removes waste
  • maintains body temp
    -fuel (muscle)
    contract > pump blood
    relaxes > fills up with blood
9
Q

ATRIA

A
  • upper chambers
  • left/right
  • receives blood from body lungs
  • left side - oxygenated back from the lungs
10
Q

VENTRICLES

A
  • lower chambers

- left side- to body cells

11
Q

SEPTUM

A
  • right side - to lungs de ox

- divides the heart into left and right

12
Q

VALVES

A
  • allow blood flow in one direction only

- are between the atria

13
Q

heart rate

A
  • the number of beats in 1 minute
14
Q

blood pressure

A

-SYSTOLIC - HIGH
the pressure in the arteries when the left ventricle contracts and forces blood out of the heart

-DIASTOLIC- HEALTHY 120
the pressure in the arteries when the left ventricles relates refills and therefore blood flow drops

15
Q

stroke volume

A
  • the amount of blood pumped by the left ventricle per beat (contraction), rest 75-100ml
16
Q

cardiac output

A
  • the amount of blood pumped from the left ventricle in a minute
    stroke volume x heart rate = cardio output
17
Q

mechanics of breathing

A

increased volume, pressure drops

decreased volume, pressure increases

18
Q

pleura

A

attaches to your ribs

19
Q

diaphragm

A

is a muscle

20
Q

alveoli

A

end of bronchioles, exchange gases (only place), alveoli is wrapped up in millions of capillaries to allow exchange of gases
SITE OF GASEOUS EXCHANGE

21
Q

path of blood

A
lungs 
left atrium 
left ventricle 
right ventricle 
right atrium 
body