my new work 12

What Is Digestion

• Digestion is the process of treating a substance with heat, enzymes, or a solvent to promote decomposition or extract essential components.
• https://www.youtube.com/watch?v=VwrsL-lCZYo (Einbetten)

Alveoli

• Any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange.
• https://www.youtube.com/watch?v=XTMYSGXhJ4E (Einbetten)

Angina

• Severe chest pain caused by lack of oxygen being supplied to heart muscle.
• https://www.youtube.com/watch?v=z6_4CuByZq8 (Einbetten)

Anus

• A sphincter
• muscle at the end of the digestive tract.
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Arteries

• Arteries are blood vessels that carry blood away from the heart.
• https://www.youtube.com/watch?v=_bffo4wXr8g (Einbetten)

Bile

• Bile is a greenish liquid responsible for mechanical digestion of fats.
• https://www.youtube.com/watch?v=XvqsUZXtwE8 (Einbetten)

Bladder

• A muscular bag where urine is stored before it is expelled from the body.
• https://www.youtube.com/watch?v=Y_LNTfWGiv4 (Einbetten)

Bronchi

• Bronchi are tubes formed by the division of the trachea.
• https://www.youtube.com/watch?v=OIU7Mdx4DTg (Einbetten)