Question

? Progress Check
1. Fill in the blanks
(i) The
have thin and less
muscular ...... ...., and have
to prevent back flow of ..............
carry blood to an organ and
break up into ........... ending in capillaries.
(iii) Walls of capillaries consist of a single
layer of squamous
... cells.
(iv) The substances to and from the tissues
diffuse through the walls of .......
(ii)​

Answer 1

Answer:

body parts, take and , the , layer