A. Citrus
Foods like citrus oranges have a lot of amino acids to build and repair muscles.
I would say 1,2,&4 because bones cant protect organs from bacteria or sunlight.
Answer:
The biceps attach between the fulcrum (the elbow joint) and the load, meaning a biceps curl uses a third class lever. The triceps attach behind the fulcrum, meaning that a triceps extension uses a first class lever.
Explanation:
A for the first question,and A for the second one as well
