When does osteogenesis occur in an embryo?

The body uses fight or flight as a way of defending itself from stress. question 2 options: true false

Which statement best describes the role of the artificial heart? the artificial heart is a good replacement option for individuals who do not want a human heart. the artificial heart has been a great option because it can keep patients alive for a very long time. the artificial heart is not a good option because of the high possibility for rejection. the artificial heart has limited usefulness but can prolong life or be a tool to use while waiting for a transplant.

Lots of points if answered ! match the terms to their definition. 1. physical stress a term used to describe the workload placed on the body in general 2. plateau a principle that refers to the gradual increase in the amount of exercise sustained over a specified period of time 3. progression how quickly your heart rate returns to normal after an activity session 4. recovery heart rate a principle stating that the results you get will be directly related to the type of work you do and to specific muscles or body parts being worked 5. specificity states that the body adapts to increasing demand by developing the ability to handle those specific demands 6. stamina the ability to sustain a workload for an extended period of time 7. the overload principle an element of fitness that is characterized by a decrease in improvement or a leveling off of performance