All of the following increase venous return, except: Increasing flextion and extension of the knee joint
Increasing the myocardial contractility of the left ventricle
Increasing the pressure within thoracic cavity during inhalation
Increasing the pressure difference between venules and the right atrium

The condition in which joints are inflamed is bursitis select the best answer from the choices provided ot f

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

Types of scientific inquiry that biologist engage in that cannot be completely controlled