Astructural difference between the trachea and esophagus that prevents the trachea from collapsing

Building muscle has which of the following effects? it increases the metabolic rate. it relieves pressure on the joints. it slows weight loss considerably.

What is the body's ability to perform natural movements in daily life called? a) functional movementb) pillars of human movementc) rotation and level of changed) functionaltraining

Describe how the immune system protects the body from the threat of disease. (minimum 5 sentences per paragraph)