Test unit1

  • Anatomy: Study of body structures.

  • Physiology: Study of how the body functions.

  • Homeostasis: Maintenance of stable internal conditions.

  • Negative feedback: Reverses a change and returns the body to normal.

  • Positive feedback: Strengthens a change until a process is completed.

  • Anatomical position: Standard position used to describe the body.

  • Sagittal plane: Divides the body into right and left portions.

  • Midsagittal plane: Divides the body into equal right and left halves.

  • Frontal/coronal plane: Divides the body into front and back portions.

  • Transverse plane: Divides the body into upper and lower portions.

  • Anterior: Toward the front.

  • Posterior: Toward the back.

  • Superior: Above or toward the head.

  • Inferior: Below or away from the head.

  • Medial: Toward the body’s midline.

  • Lateral: Away from the body’s midline.

  • Proximal: Closer to the attachment point.

  • Distal: Farther from the attachment point.

  • Superficial: Near the body’s surface.

  • Deep: Farther from the body’s surface.

  • Epigastric: Upper-middle abdominal region.

  • Umbilical: Center region surrounding the navel.

  • Hypogastric: Lower-middle abdominal region.

  • Hypochondriac: Upper-right or upper-left abdominal region.

  • Lumbar: Middle-right or middle-left abdominal region.

  • Iliac/inguinal: Lower-right or lower-left abdominal region.


levels of organization in order?
Chemical → Cellular → Tissue → Organ → Organ system → Organism