Organ Systems Study Notes

Organ Systems Study Notes

Digestive System

• Primary Organs of the Digestive System
  • The main organs form a long tube referred to as the GI tract (Gastrointestinal Tract).

Muscle Types

• Voluntary Muscles:

  • Another name for voluntary muscle is Skeletal Muscle.

• Involuntary Muscles:

  • Involuntary muscles can be categorized as either:
  • Cardiac Muscle
  • Smooth Muscle
  • Therefore, other names for involuntary muscles are Cardiac and Smooth.

Nervous Systems

• Electrochemical Signals:
  • The nervous system generates special electrochemical signals known as Nerve Impulses.

Integumentary System and Accessory Structures

• Accessory Structures of the Skin:

  • Components include:
  • Hair
  • Nails
  • Sweat Glands
  • These are referred to as accessory structures of the skin.

• Non-accessory Structures examples (incorrect choices):

  • Sweat glands and Oil glands are accessory, but spinal cord and heart are not related.
  • Nails and Hair are part of the accessory structures, while blood vessels and joints are unrelated.