Causes of famine. Famine can be caused by many different reasons, some, like floods, droughts, and earthquakes are natural, and others, like lack of food and shortage in food distribution to specific parts of a region, humans are responsible for.
Transportation: The cardiovascular system transports blood to almost all of the bodyâs tissues. The blood delivers essential nutrients and oxygen and removes wastes and carbon dioxide to be processed or removed from the body. Hormones are transported throughout the body via the bloodâs liquid plasma.
Located closer to the outer skin surface of the body than arteries. Blood. nutritive fluid circulating through the circulatory system to supply oxygen and nutrients to cells and tissues and to remove carbon dioxide and waste from them. 8-10 pints in body; 1/20th of body's weight.