In human beings, blood is the most important components of: NTS PST ----P-6 ----2016
a) Digestive system
b) Photosynthesis
c) circulatory system
d) immune system
Kidneys are the part of …………….system.
a) Digestive
b) Circulatory
c) Respiratory
d) Excretory
Which of the following system removes waste material from the body in the form of urine?
a) Digestive
b) Circulatory
c) Respiratory
d) Excretory
The system which is responsible for digestion of food is called…………
a) Respiratory system
b) Digestive system
c) Excretory System
d) none of these
Which system contains, mouth, stomach, intestines, rectum and anus?
a) Digestive system
b) Circulatory system
c) Respiratory system
d) all of these
It is composed of nasal cavities, pharynx, larynx, trachea, bronchi and lungs.
a) Digestive system
b) Circulatory system
c) Respiratory system
d) all of these