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

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

Archaebacteria use for movement. celia flagella pili cell walls

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.