biology unit 2(respiration) new

State the function of mucus in the respiratory system.

Stick to any particles or bacteria inhaled into the lungs

Name diseases which have a higher risk of developing as a result of smoking.

Chronic bronchus

Emphysema

Lung cancer

Percentage of oxygen in exhaled air

16%

Describe the movements in the respiratory system during inhalation.

Ribs move upwards and outwards well diaphragm flattens

State the percentage of Carbon dioxide in inhaled air

0.04%

State the term used for chemicals which increase the risk of lung cancer.

Carcinogens

Describe the effect of cigarette smoke on the cilia.

Causes them to become paralysed

Explain why anaerobic respiration is less efficient compared to aerobic respiration.

Because the glucose isn't fully broken down; less ATP is produced per molecule of glucose during anaerobic respiration compared to aerobic respiration.

Name the chemical In cig rates that cause addiction

Nicotine

adaptations of the alveoli that increases gas exchange.

Good blood supply

Larger surface area

Thin walls(only 1 cell thick)

Moist lining

Word equation for aerobic respiration

Glucose+oxygen—ccarbon dioxide+water(ATP)

word equation for anaerobic respiration

(Glucose—Latic acid(+ATP)

Function of the Celia in the respitory system

Move the mucus out of the respiratory system and to the back of the throat.

State the function of the respiratory system.

To provide a supply of oxygen to the blood and also removing carbon dioxide

The journey air takes in inspiration

Mouth

Trachea

Bronchus

bronchiule

Alveolie

In what form is energy released in respiration

ATP

what is oxygen debt

The oxygen required to break down the latic acid produced during anaerobic excersise once exercise has stopped

oxygen debt equation

Latic acid+oxygen-carbon dioxide

what happens to alive germinating peas

They respire releasing heat and increasing tempreture

what happens to germinating peas that have been boiled

There enzymes have become denatured so no respiration happens but tempreture still increases as associated the Pease are covered in microbes that still respire

Where dose gas exchange happen

in the aveoli

what is gas exchange

Where oxygen diffuses out of the lungs and into the red blood cells in the blood and the carbon dioxide diffuses out and into the air in the aveoli