Skip to main content
뒤로

Anatomy & Physiology Basics: BIOL 2401 Study Guide

컨트롤 버튼이 '내비게이션' 모드로 변경되었습니다.
1/29
  • Basic structural and functional unit of life

    Cell

  • Group of similar cells working together

    Tissue

  • Levels of organization from smallest to largest

    Cell → Tissue → Organ → Organ System → Organism

  • Six major characteristics of life

    Metabolism, responsiveness, movement, growth, differentiation, reproduction

  • Five requirements necessary to maintain life

    Oxygen, water, nutrients, normal body temperature, atmospheric pressure

  • Definition of homeostasis

    Maintenance of a relatively stable internal environment despite changes inside or outside the body

  • Negative feedback

    Reverses a change and brings the body back toward its normal range

  • Example of negative feedback

    Sweating to cool the body when temperature rises

  • Positive feedback

    Amplifies or increases the original change

  • Example of positive feedback

    Childbirth contractions increasing oxytocin release until delivery

  • Anatomical position

    Stand upright, face forward, arms at sides, palms forward, feet forward

  • Meaning of superior

    Toward the head or above (e.g., head is superior to the stomach)

  • Meaning of inferior

    Toward the feet or below (e.g., stomach is inferior to the heart)

  • Meaning of anterior

    Toward the front (e.g., sternum is anterior to the heart)

  • Meaning of posterior

    Toward the back (e.g., spine is posterior to the heart)

  • Meaning of medial

    Toward the midline (e.g., nose is medial to the eyes)

  • Meaning of lateral

    Away from the midline (e.g., ears are lateral to the nose)

  • Difference between proximal and distal

    Proximal = closer to point of attachment; Distal = farther from point of attachment

  • Body plane dividing left and right portions

    Sagittal plane

  • Body plane dividing anterior and posterior portions

    Frontal (coronal) plane

  • Body plane dividing superior and inferior portions

    Transverse (horizontal) plane

  • Organ in the cranial cavity

    Brain

  • Organ in the vertebral cavity

    Spinal cord

  • Major organs in the thoracic cavity

    Heart, lungs, trachea, esophagus, thymus, major blood vessels

  • Major organs in the abdominal cavity

    Stomach, liver, gallbladder, pancreas, spleen, small and large intestines, kidneys

  • Major organs in the pelvic cavity

    Urinary bladder, internal reproductive organs, rectum

  • Structure separating thoracic and abdominopelvic cavities

    Diaphragm

  • Meaning of superficial

    Closer to the body surface (e.g., skin is superficial to muscle)

  • Meaning of deep

    Farther inside the body (e.g., muscle is deep to skin)