The cardiovascular system is composed of the heart and the network of arteries, veins, and capillaries that transport blood throughout the body.
Time Your Travel. Book your trip for shoulder season if you want mild weather, and for low season if you don't mind the cold. Ireland's shoulder season is April through June and early October.Those months have temperatures in the 50s and 60s, longer shopping hours and airfares that are sometimes hundreds of dollars lower than peak season, according to Travel Research Online.ow season offers the best bargains but takes from November to March. That's winter in Ireland, when temperatures average in the 30s and 40s, but airfares are cheapest and locals are friendliest, no longer having to deal with throngs of tourists in their streets and shops.
Male elk begin to grow their antlers in the spring. They first appear as small bumps covered in fuzz. They grow from the same spot year after year, known as a pedicel. The grow longer over the summer and are covered in fuzzy velvet. Velvet is tissue rich in blood vessels, which nourishes the growing antlers. Elk will shed their antlers annually. Elk grow their antler starting in the spring and on into the summer then late summer early fall they stop. During fall or rutting s â¦ eason they use them to gain breeding rights and then during the winter elk use their antlers to gain access to grass through the snow.