Please help will make brainlist.

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.

Sunidhi made a study chart about changes in states of matter. which headings best complete the chart?