Answer:
Stimulation of thoracic or lumbar spinal regions; impulse reaches chain ganglion; acetylcholine release
Explanation:
Answer:
bacteria
Explanation:
Thats just an assumption. I may be wrong but I think its bacteria.
The sponges draw water carrying food particles into the spongocoel using the beating of flagella in the choanocytes. ... Compare the structural differences between Porifera and Cnidaria. Poriferans do not possess true tissues, whereas cnidarians do have tissues.
Answer:
the components of a prosthesis all work together to create movement and assistance as close to the missing limb as possible. When the prosthesis fits comfortably, you reach your optimum functionality more successf
Explanation:
Answer:
it is 3959 miles to the centre of the earth
