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