Proteins
Explanation:
Proteins are the most diverse biomolecule on earth, performing many functions required for life. Protein enzymes are biological catalyst, maintaining life by regulation where and when cellular reactions occur.
-antibodies are proteins that are synthesized by an animal in response to the presence of a foreign substance in our body called an antigen. They play a great role in the immune system and are usually found in blood and other bodily fluids.
Answer:
upper limb and mammary gland
Explanation:
The lymph nodes of the axillary region or the axillary lymph nodes drain lymph vessels from the breast, from thin walls of the chest and the upper part of abdomen , and from the upper limb. They can be divided in groups according to their location.
These lymph nodes has a role in development of breast cancer and its metastasis.