Answer:
Homeostatic control mechanisms have at least three interdependent components: a receptor, integrating center, and effector. ... The integrating center, generally a region of the brain called the hypothalamus, signals an effector (e.g. muscles or an organ ) to respond to the stimuli.
Explanation:
Free-living flat worms = carnivores or scavengers
Have digestive cavity, mouth, pharynx
Parasitic Flatworms: = Feed on blood, tissue fluids, or pieces of cells from within a host
Answer:
The answer is Abstract.
Explanation:
The hematopoietic stem cell gives rise to.
PLEASE MARK ME AS THE BRAINIEST
The most Senistive part of the chest
Answer:
False
Explanation:
Two or more elements combine to forma COMPOUND.
