Question

Read the following terms given below.
root hairs      xylem          urethra
arteries       kidneys         veins
atria            capillaries     heart
ureter          phloem        urinary bladder
Group the terms on the basis of the categories given below.
(a) Circulatory system of animals.
(b) Excretory system in human.
(c) Transport of substances in plants

Answer 1

(a) arteries, atria, capillaries, veins, heart.
(b) ureter, kidneys, urethra, urinary bladder.
(c) root hairs, xylem, phloem.