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Nutrition 2 (Respiration (Air passagewais (Nostrils, Larynx, Trachea,…
Nutrition 2
Respiration
Oxygen
Carbon dioxide
Respiratory system
Lungs
Air passagewais
Nostrils
Larynx
Trachea
Pharynx
Bronchi
Bronchiolies
Inhalation
Lungs expand
Exhalation
Lungs Contracts
Blood Circulation
Constant movement of blood around body
Systole
Diastole
Pulmonary circulation
Systemic Ciirculation
Excretion
Excretory system
Kidneys
Ureters
Bladder
Urethra
Elimination of faeces
Sweat and sweat glands
Are under the skin
Is liquid
Sweat consists of:
Water
Salts
a little bit of waste substances
Blood
Liquid tissue
Blood cells
Red blood cells
White blood cells
Platelets
Transports:
Nutrients
Oxygen
Carbon dioxide
Waste
Blood vessels
Arteries
Veins
Capillaries
The Heart
Muscles
Two Halves separated by
Atria
Ventricles
Valve
Systemic Circulation
Heart
All the body
Aorta and vena cava
Pulmonary Circulation
Heart and lungs
Pulmonary arteries
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