What structure in the fetal heart allows for mixing of blood between the two atria?

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

The first amino acid of a new polypeptide chain is