Their tissues and organs are rapidly developing and growing, and at various stages these growth processes create windows of great vulnerability to environmental toxicants.
(Their tissues and organs; are rapidly developing; ) (Their tissues and organs; growing; ) (these growth processes; create; windows of great vulnerability to environmental toxicants; T:at various stages)
Their tissues and organs Their tissues and organs these growth processes
are rapidly developing growing create
windows of great vulnerability to environmental toxicants T:at various stages