Sperm must undergo , which is a physiologic conditioning, before they can accomplish . This conditioning occurs in the reproductive tract, and typically lasts several .

How many cells are our body made of ? ♡

Acommon kind of mechanical weathering is called

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.