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Biology 2 > Respiration > Flashcards

Respiration Flashcards

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1
Q

What is the funtion of the Respiration System?

A

To transport gases to and from the Circulatory system

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2
Q

What is Cellular respiration?

A

This is how each cell obtains energy

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3
Q

What is external Respiration?

A

This is the exchange of gases between outide and the blood

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4
Q

What is the purpose of Oxygen in respiration?

A

It is an ingredient used to breakdown of glucose to make ATP. CO2 is the by product

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5
Q

Revise the following labelled diagram

A
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6
Q

What makes up the Thorax?

A

Ribcage

Intercostal muscles

Diaphragm

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7
Q

What are the internal surfaces of the Thorax?

A

Pural Membrane and pural fluid

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8
Q

What is the function of pural Fluid?

A

To lubricate the thorax allowing movement.

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9
Q

Why are the lungs good for gaseous exchange?

A
  • Large surface area
  • Good blood supply
  • Moist lining
  • This walls
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10
Q

What is the name of the cells that line the respirtory tract?

A

Epithelial cells

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11
Q

What is the name of the cells that makes mucus?

A

Goblet cells

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12
Q

How much O2 is in inhaled and exhaled air?

A

20% inhaled

16% exhaled

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13
Q

What muscles are responsible for the mechanisums of breathing?

A

Intercostal and Diaphram

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14
Q

How much air can the lungs hold?

A

6 liters

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15
Q

What is the name given to the amount of air breathed in and out during normal breathing?

A

Tidal volume

Approx 0.6 Lt

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16
Q

What is the name given to he in/out volume when increased during excercise?

A

Vital Capasity

Approx >4.5 lt

17
Q

What is residual volume?

A

The amount of air the is retained in the lungs as a reserve.

Approx 1 - 1.5 lt

18
Q

What area of the nervous system is responsible for respiration?

A

Medulla oblongata - this is an autonomic funtion.

19
Q

What is Cystic Fibrosis?

A

It is a genetic defect causing excessive mucus production, clogging airways.

Biology 2 (15 decks)

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