Car­dio­vas­cu­lar sys­tem in the close cir­cu­la­to­ry trans­port sys­tem. They trans­port res­pi­ra­to­ry gas­es and excre­to­ry prod­uct through the medi­um of blood

Liv­er is the largest sol­id gland sit­u­at­ed to the right side of abdom­i­nal cav­i­ty. It is radish brown in color

Cell is the small­est unit of liv­ing tis­sue and it is a struc­tur­al and func­tion­al unit of liv­ing things. Cell