What’s the topic for the speech though?
Answer:
Brain spinal cord and nerves
Explanation:
Explanation:
The heart helps fight diseases by sending signals to either the pituitary gland or the microglia acts as a 1st responder once it senses an attack. it does this by boosting production of a molecule PCTR1, helps WBC's kill invading bacteria..
The answer is B. beat my personal running time