Answer:
the nervous system uses electrical impulses to send signals through neurons, whereas the hormonal system uses chemical messengers transported into blood plasma to target cells.
Explanation:
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Answer:
if these mixtures are feed as only source of food African grey parrots become ill and ultimately die.
not sure about the answer but see if this is correct.
Answer:
<u>They produce the materials needed by the sperm to travel to the egg</u>
Explanation:
Seminal vesicles are glands located near the distal end of the vas deferens. They are responsible mainly for the secretion of seminal fluid as the sperm are moved along towards the ejaculatory duct. The seminal fluid contains a substance which stimulates the sperms. The seminal fluid also contains simple sugars e.g. fructose which provide nourishment for the sperms.
Animal cells form animals
Plant cells form plants
