The Human Body Body Systems (3of 3). 4: The Human Body 2 Physiology of the Circulatory System (1 of...
-
Upload
job-harrell -
Category
Documents
-
view
214 -
download
0
Transcript of The Human Body Body Systems (3of 3). 4: The Human Body 2 Physiology of the Circulatory System (1 of...
The Human Body
Body Systems(3of 3)
2
4: The Human Body
Physiology of the Circulatory System (1 of 2)
• Pulse
• The wave of blood through the arteries formed when the left ventricle contracts
• Can be felt where an artery passes near the skin surface and over a bone
3
4: The Human Body
Physiology of the Circulatory System (2 of 2)
• Blood pressure• Amount of force exerted against walls of
arteries• Systole: Left ventricle contracts• Diastole: Left ventricle relaxes
• Perfusion• Circulation of blood within an organ or
tissue• If inadequate, the patient goes into shock
4
4: The Human Body
The Nervous System
• The nervous system controls the body’s voluntary and involuntary actions.
• Somatic nervous system
• Regulates voluntary actions
• Autonomic nervous system
• Controls involuntary body functions
5
4: The Human Body
Central Nervous System (2 of 2)
6
4: The Human Body
Peripheral Nervous System
• Links the organs of the body to the central nervous system.
• Sensory nerves carry information from the body to the central nervous system.
• Motor nerves carry information from the central nervous system to the muscles of the body.
7
4: The Human Body
The Skin (1 of 2)
• Protects the body from the environment
• Regulates body temperature
• Transmits information from environment to the brain
8
4: The Human Body
The Skin (2 of 2)
9
4: The Human Body
Endocrine System• Complex message and control
system
• Made up of 7 glands
• Glands produce and release hormones.
10
4: The Human Body
Endocrine Glands
• Adrenal
• Ovary
• Pancreas
• Parathyroid
• Pituitary
• Testes
• Thyroid
11
4: The Human Body
Digestive System• Mouth
• Salivary glands
• Oropharynx
• Esophagus
• Stomach
• Pancreas
• Liver
• Bile ducts
• Small intestine
• Large intestine
• Appendix
• Rectum