Semester Final

• organizations of the human body include, atomic, molecular, and cellular
• homeostasis is stable internal environment
• homeostatic mechanism include receptors, set point, effectors
• negative feed back brings the body back to normal
• axial: head neck and torso (no hips)
• appendicular: upper/lower limbs
• Planes: Frontal-anterior (ventral) posterior (dorsal), Sagital: left and right- medial is towards the medial and lateral is side. Transverse: up and lower- superior is up and inferior below. Proximal is near the origin and distal and away from the origin
• diffusion is high to low concentration and active transport is low to high
• pH is a measure from 0-14
• Acid: more hydrogen (less than 7)
• Basic; less hydrogen (more than 7)
• metabolism is the release of energy from food (obtain, relesase and use energy)
• ATP stands for adenosine triphosphate