Epinephrine... The adrenal medulla develops from neural tissue and secretes two hormones,epinephrine and norepinephrine<span>.</span> These two hormones are secreted in response to stimulation by sympathetic nerve, particularly during stressful situations.
Answer:
The circulatory system of a human compared to that of a frog is different due to the number of chambers. A frog’s heart has three chambers (two atria, and a single ventricle), whereas a human’s has four (two atria, and two ventricles). The atrium of a frog receives deoxygenated blood from the blood vessels that drain the various organs of the body. The left atrium receives oxygenated blood from the lungs and skin.
Hi there!
Though fertilizer can be very useful... it has some bad affects. Here are some examples:
~Depletes the quality of soil
~Affects animals and other plants (badly) around it
~Can be bad for our food
Hope this helps!
In a normal, well-run landfill, paper bags do not biodegrade any faster over at least 40 years than plastic.” ... “They're three to five times bulkier than plastic, and you can see that yourself at the grocery. Landfills are closing down because they're full. From that perspective, plastic is much better than paper.”
