Find some friends and form a study group. You will have major exams to pass in your physiology class and these friends will help you persevere. Meeting and working together regularly will help you survive this difficult class.
Remember the big picture. All these parts and systems belong to an incredible whole. Put the pieces together like a jigsaw puzzle to increase your understanding.
Create anagrams and acrostics to help remember names and systems.
Sing. when you find something particularly difficult to remember, put it to music--even Twinkle Twinkle Little Star. Then quietly sing your song when you need to remember.
Consider buying the Board Review Series book on Physiology. It can help you survive your physiology class.
Read your textbook. To survive your physiology class, you must do your assigned reading before the class when they will be discussed.
Play online. There are some excellent online physiology tutorials available. Use your computer to access some of these.