Answer:
Primary lymphoid organs: the bone marrow and the thymus
secondary lymphoid organs: adenoids tonsils spleen
Answer:
C.
Explanation:
This is because cellular respiration produces C02, which photosynthesis uses.
Plants need to be water frequently basis because they will stop growing and the leaves/flower will die slowly and they will be a brown color,
The nucleus is particularly important among eukaryotic organelles because it is the location of a cell's DNA. Two other critical organelles are mitochondria and chloroplasts, which play important roles in energy conversion and are thought to have their evolutionary origins as simple single-celled organisms.
It can be because there are some parts around that arent getting water