The early embryo before 5 weeks of age gets nourished by

Answer///blank (1) dea; ///drug enforcement agency;                                 blank(2) fda; // food and drug administration;

Push up require upper body strength, so weight-training exercises such as shoulder press, curl ups and dead lifts would improve your ability to perform proper push ups.

Answer weekly planner;

The alveoli are what give the lungs so much space, and if they are big, there is more gas exchange than if they are small.