After circulation in the lungs, the blood returns to the ...
After circulation in the lungs, the blood returns to the left auricle through
1
4
5
6
Correct answer is D
No explanation has been provided for this answer.
Ascaris lumbricoides is a parasitic ...
What is the critical limiting factor for plants below the photic zone in an aquatic ecosystem? ...
Seed plants are divided into ...
A relationship between living organisms which is of mutual benefit is ...
The main ecological problem facing intertidal organisms is ...
Which of the following is not correct about human cell? ...
The part labelled a in the above diagram is used for ...
Which of the following organs in mammals is not excretory in function? ...