Proteins made by the body that recognize a specific feature of the surface proteins of an antigen. A) monoclonal antibodies
B) memory cells
C) MHC
D) complement

the abdomen (less formally called the belly, stomach, tummy or midriff) constitutes the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. the region occupied by the abdomen is termed the abdominal cavity. the stomach secretes acid and enzymes that digest food. ridges of muscle tissue called rugae line the stomach. the stomach muscles contract periodically, churning food to enhance digestion. the pyloric sphincter is a muscular valve that opens to allow food to pass from the stomach to the small intestine.

the answer is d. exposing corruption in the church

thinking it would be physical characteristics

69 is the correct math for the amino acids