Science Project
Breathing System
Smoking (leads to)
Occurs in Alveoli
Respiration in cells
Carbon dioxide from cells from respiration enters the blood where is taken to the lungs, diffused into the alveoli and exhaled.
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Measured using a spirometer
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Air passed down
How does air get in and out of love?
Composition of air
Adaptations
All help the fast diffusion of gases
Bronchitis
Cancer
Emphysema
Blood
White blood cells
Red blood cells
Platelets
Plasma
Assist with clotting
Different types that assist in immune function
Erythrocytes carry O2 & CO2 around the body. no nucleus
Mostly water, but contains proteins, dissolved glucose, mineral salts, vitamins, hormones, wastes and heat.
Organs
Capillaries
Veins
Arteries
Heart
A double sided pump with 4 chambers, 2 atria and 2 verticles
Thick walled & muscular - take blood away from the heart.
Thin walled with valves return blood to the heart,
Only one cell in diamater access to every cell in the body
Digestive System
Digestive glands
Transformation
Energy value
Digestive tract
Types of food
Water, proteins, carbohydrates, fats, minerals and vitamins
Calories
Salivary, gastric, pancreas, liver, intestinal (all chemical)
mechanical (m) and chemical (c)
mouth (m) and (c), esophagus (m) small and large intestine (m and c), anus (m)