Gestures and movements of the body fall under which of the following terms? body language
facial expressions
posture
eye contact

The part of the nephron provides initial filtering of the blood in the urinary system.

If you are going to enter a wrestling competition and need to make a certain weight, which method would best utilize? a: pinch an inch b: circumference measurements c: bathroom scale d: body-fat scale

Astructural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of: a) smooth muscle b) skeletal muscle c) respiratory cilia d) rings of cartilage