They can all make you ill and be dangerous for the body
I think its because so the plants can absorb more nutrients from the soil while being sturdy and wide so when the plant gets snowed on it doesn't break<span />
D. Lymph nodes are the filtering points throughout the body... found in the lymphatic system
I believe it would be Mitochondria
When cells communicate by the signaling process, one cell produces a signaling molecule that must be received by the signal receptor on or in the responding cell. Signaling molecules are often called ligands, a general term for molecules that bind specifically to other molecules (such as receptors).
