Which of the following organs regulates the levels of wat...
Which of the following organs regulates the levels of water. salts, hydrogen ions, and urea in the mammals?
Kidney
Colon
Bladder
Liver
Correct answer is A
No explanation has been provided for this answer.
The body temperature of a mammal has to be maintained at a fairly constant level because ...
Which of the following plant structures lacks a waterproof cuticle? ...
Special modification which enable an organism to survive in its habitat is known as. ...
An example of a disease linked to the sex-chromosome is ...
How many food chains are in the diagram? ...
Which of the following is the effect of using artificial pollination in plant breeding? ...
The appendicular skeleton is made up of the ...
The relationship between the retina and the brain is similar to that between the ...