The nucleus.
nucleus
In the nuclei of the cells.
deoxyribonucleic acid
cells make tissues which make organs
lymphatic system
Nucleus
nucleus
deoxyribonucleus acid
deoxyribonucleus acid
In the nuclei of the cells.
Deoxyribonucleic acid apex
In the nuclei of the cells.
deoxyribonucleic acid
deoxyribonucleus acid
deoxyribonucleus acid
deoxyribonucleic acid
follow the instructions and build!