In organism where the 2nd number of chromosomes is 16, the number of chromosomes in each gamete will be

Which structure is the glomerulus?

Free nitrogen is released to the atmosphere by

The part labelled 3 is the

If the blood is too concentrated, more water is absorbed from

In a reflex action, impulse flows from

All the cell bodies in the spinal cord are found in

Hydra removes undigested food by

Viruses are considered to be living organisms because they