Saturday, November 15, 2014

STUDY FOR YOUR UNIT 1 EXAM

Click on the links below to help you study for your test for Unit 1: Human Body

Topic 1: Cell Parts
  • organelles - small cell parts
  • cell membrane - the outer covering of the cell
  • nucleus - control center of the cell
  • mitochondria - convert energy from food to a form the cell can use
  •  cytoplasm - the jelly-like substance between the cell parts

Topic 2: Levels of organization in the body (CTOS)
  • Cells - smallest unit of life
  • Tissues - made of cells working together
  • Organs - made of tissues working together
  • Organ Systems - a group of organs working together

Topic 3: Functions of each of the body systems
  • Digestive
  • Circulatory
  • Respiratory
  • Excretory
  • Endocrine
  • Skeletal
  • Muscular
  • Reproductive

Topic 4: Organs and structures of each system
Digestive

  • Circulatory
    • Heart
    • blood vessels: veins, arteries, capillaries
    • valves keep blood from moving backward
  • Respiratory
    • mouth/nose
    • trachea
    • pharynx/larynx
    • bronchi
    • lungs
    • alveoli - tiny air sacs where oxygen goes into the blood
  • Excretory
    • Urinary system: kidneys, ureters, bladder, urethra
    • Skin
    • Lungs
    • Large intestine/rectum
  • Endocrine
    • glands produce hormones
    • hormones control processes in the body
  • Skeletal
    • bones
    • ligaments
    • joints
  • Muscular
    • muscles
    • tendons
  • Reproductive
    • female: ovaries, uterus, eggs
    • male: testes, sperm