Answer: 
- Lead, cobalt, arsenic and selenium appear to pass the placental barrier by a diffusion mechanism. It was also found that the mercury levels in cord blood were almost double those of the mother, suggesting that the foetus may act as a filter for the maternal mercury levels during pregnancy.
Explanation:
- Have a terrific day! <3
- Make sure to thank & rate, it’s always appreciated! <3
<span>What is chemoreceptors?
</span>Chemoreceptors are specialized nerve cells which are designed to respond to chemical stimuli.
-Sclerosis indicates abnormal hardening. Hope this is what you were looking for!
Answer:
the author Junior negley garage spark proteins the viral keys the nsab begins reviewing guidelines for sharing information on Gillette
Where are the activities??? Is this from a test?
