Question

In closed circulatory system
(1)The cells and tissues are directly bathed in the
blood pumped out by heart
(2)Arteries and veins are lacking
(3)The capillaries
are largest blood vessels and
closed at their ends
(4)Blood circulates through a series of vessels of
varying diameters

Answer 1

Answer:

(4) blood circulates through a series of vessels of varying diameter

Answer 2

Answer:

the capillaries are largest blood vessels and closed at their ends