Digestion, Respiration, and Circulation.

1
Digestion, Respiration, and Circulation.

• By (Your name)

2
Introduction

• Body contains multiple organ systems.
• Focus on three systems
• Digestive system
• Respiratory system
• Circulatory system

3
Digestion

• Purpose - break down ingested materials into
  their most basic units
• Pathway - oral cavity, esophagus, stomach, small
  intestine, large intestine.

4
Organs Involved

• Primary Organs
• Stomach
• Small Intestine
• Large Intestine
• Secondary Organs
• Pancreas
• Liver
• Gallbladder

5
Molecular Digestion

• Carbohydrates
• Proteins
• Fats

6
Respiration

• Purpose - provide the lungs with oxygen to
  replenish deoxygenated tissues and to remove
  carbon dioxide from the body.
• Pathway - Mouth/nose, trachea, lungs

7
Circulation

• Purpose - to supply the body with oxygenated
  blood.
• Pathway
• Two separate pathways
• Pulmonary circuit
• Systemic circuit

8
Circulatory Accessories

• Heart
• Arteries
• Veins
• Capillaries

9
Interrelationships

• Respiratory and Circulatory
• Digestive and Circulatory
• Respiratory and Digestive

10
References

• How Digestion Works. Retrieved January 17, 2009,
  from Children Memorial Hospital Web site
  http//www.childrensmemorial.org/depts/gastroenter
  ology/how_digest_works.aspx
• Retrieved January 17, 2009, Web site
  http//www.brianmac.co.uk/respiratory.gif
• Retrieved January 17, 2009, Web site
  http//www.telemediamagazine.com/images/circulatio
  n_Img01.jpg
• The Human Heart. Retrieved January 17, 2009, from
  The Franklin Institute Web site
  http//www.fi.edu/learn/heart/vessels/vessels.html