What is the definition of anatomical functional or physiology?

I- It is the study of animal organization.
II- It is the study of the functioning of animals.
III- It is the science that studies the organic processes and phenomena of the organism or any of its parts or a particular bodily process.
a) Only I and II are correct.
b) Only II and III are correct.
c) Only I and III are correct.
d) All are correct.