What is the main function of the respiratory system? – McqOptions

MCQOPTIONS

1.	What is the main function of the respiratory system?
A.	To break food down
B.	Supply the blood with oxygen
C.	Circulate the blood
D.	To digest the food
Answer» C. Circulate the blood

Discussion

No Comment Found

Related MCQs

Sandy soil is mostly found in:
An average soil is 98% minerals, 1% water and 1% air. True or False.
A means of communication which we use now-a-days to get desired information whenever we want is ________.
Read the passage given below and answer the questions: In old times we did not have any means to travel from place to place. People used to cover long distances on foot. There were no means to send messages. Sometimes pigeons were used to carry the messages. Then people started using animals for going from place to place like horse carriages and bullock carts. Now also animals are used to travel .Like camels in deserts and horses in hill areas. With advancement in technology trains, cars, buses, aero planes were invented for travelling from place to place. Sending a message is also very easy now. We can send and receive messages through phones and computers. We can also talk to a person on phone. All these inventions have made our travelling and communication very easy. Which animal is used to travel in deserts?
Which of the following creatures will you NOT find in the soil?
Taking gifts from a stranger is a/an:
Which of the following soil is used in pottery.
Read the passage and fill the blanks Soil is a mixture of many things. It contains small pieces of broken _38_, fallen leaves, dead critters, decomposed _39__branches, decayed plants etc. Most of the soil are black, _40_ or grey.
I sail through the sea _______.
Meetu while driving sees the following roadsign. She should