Movement because plants don't move and animals aren't miving constantly
Answer:
luteinizing hormone.(LH).
Explanation:
Luteinizing hormone specially stimulates cells in the seminiferous tubules to particularly secrete testosterone, which has a role in sperm production and developing male secondary sex characteristics.
Our lymphatic systems act to drain lymph from our tissues, empties and redirects it back to the bloodstream. Therefore, blood vessels remove the venom which is to be drained by our lymphatic system, cycle repeats until no venom is left.