systems of the human body

• integumentary system - it protects the body and also helps to make vitamin d

  (components)

  • hair
  • skin and associated glands
  • fingernails
  • sweat glands
  • toenails
  • oil glands
• skeletal system - it supports the body; provides surface area for muscle attachments.

  (components)

  • bone
  • cartilage
  • joint
• Muscular system - participates in body movements, such as walking; maintains posture and produces heat.

  (components)

  • skeletal muscle
  • tendons
• nervous system - Generates action potentials (nerve impulses) to regulate body activities.

  (components)

  
  

  • brain
  • spinal cord
  • nerve
• endocrine system - regulates the body by releasing hormones.

  (components)

  • pineal gland
  • hypothalamus pituitary gland
  • thyroid gland
  • parathyroid gland
  • adrenal gland
  • pancreas
  • testis (male)
  • ovary (female)
• cardiovascular system - the heart pumps blood through blood vessels and helps regulate acid-base balance.

  (components)

  • blood vessels: veins
  • heart
  • artery
• lymphatic and immunity - it carries lipids from the gastrointestinal tract to blood and it also contains maturation and proliferation.

  (components)

  • pharyngeal tonsil
  • palatine tonsil
  • lingual tonsil
  • thymus
  • thoracic duct
  • spleen
  • lymph node
  • lymphatic vessel
• respiratory system - it transfers oxygen from inhaled air to blood and carbon dioxide from blood to exhaled air.

  (components)

  • nasal cavity
  • oral cavity
  • pharynx (throat)
  • larynx (voice box)
  • trachea (windpipe)
  • bronchus
  • lung
• digestive system - it achieves physical and chemical breakdown of food; absorbs nutrients; and eliminates solid wastes.

  (components)

  • salivary glands
  • mouth
  • pharynx
  • esophagus
  • stomach
  • liver
  • pancreas
  • gallbladder
  • small intestines
  • large intestines
  • rectum
  • anus
• urinary system - stores and eliminates urine; helps maintain the acid-base balance of body fluids.

  (components)

  • kidney
  • ureter
  • urinary bladder
  • urethra
• reproductive systems - associated organs transport and store gametes; mammary glands produce milk. Gonads produce gametes (sperm or oocytes).

  (components)(female)

  • mammary gland
  • uterine (fallopian) tube
  • ovary
  • uterus
  • vagina
• reproductive systems - associated organs transport and store gametes; mammary glands produce milk. Gonads produce gametes (sperm or oocytes).

  (components)(male)

  • ductus (vas) deferens
  • seminal vesicle
  • prostate
  • epididymis
  • penis
  • testis