Identify the body cavity in which each of the described activities takes place.
Blood within veins gives up carbon dioxide and picks up oxygen:

Food is digested and its nutrients are absorbed:

A human baby develops before it is born:

a and b

thinking it would be physical characteristics

b) the inside picture would look at a very high temperature in a very low ph

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.