Question

Circle odd one out -

a) Arteries , viens , urethra , cappilaries
b) WBCs,RBCs,plasma , platelets
c) kidney,heart ,ureter ,urethra
d) heart, blood vessels ,blood , skin

4. The thinnest blood vessels in the human body are _____.

Answer these fast fast..
​

Answer 1

$\huge\tt ANSWER -$

A) Arteries , Veins , Urethra , Capillaries

B) WBCs , RBCs , Plasma , Platelets

C) Kidney , Heart , Ureter , Urethra

D) Heart, Blood vessels , Blood , Skin

Reasons-

a) Urethra is odd one because it is only the part of excretory system ,other 3 options are parts of circulatory system.

b) WBCs, RBCs ,Platelets are cells but plasma is liquid.

c) Kidney, ureter, urethra are the parts of excretory system but Heart is the part of circulatory system.

d) Heart ,blood vessels and blood are the parts of circular system except skin in the given options.

________________________________

4. The thinnest blood vessels in the human body are capillaries.

Answer 2

Answer:

Urethra

plasma

heart

Cappileries

Explanation: