One reason renaissance art looks more lifelike than medieval art is that it uses
ordinary objects.
naturalism.
perspective.
classical influences.

I would go with classical influence.  Just like philosophy and literature.  Renaissance art was influenced by Greek and Roman cultures.  Apart appreciating the human form, it also revealed qualities of remarkable imagination as well as its dedication to religion.  The best examples of Renaissance art were Michelangelo’s La Pieta and his statue of David.

answer; gender and sexuality;