A bird’s heart rate is under the involuntary control of the autonomic nervous system, which is regulated by a part of the brain known as the hypothalamus. Sympathetic stimulation caused by increased ...
Interestingly, these birds may develop larger, stronger hearts for part of the year. In contrast, molting waterfowl lose their ability to fly for a few weeks each year, causing a temporary reduction ...
Heart disease isn't just one thing. It's a number of conditions that can affect how your heart works. Heart disease can also be called cardiovascular disease, though that term covers blood vessels ...
With aging there are changes in the cardiovascular system, which result in alterations in cardiovascular physiology. The changes in cardiovascular physiology must be differentiated from the ...
The skin works with the cardiovascular system by helping to conserve or release heat by constricting ... The small hairs in the nose (which are part of the integumentary system) act as a filter to ...
The skeletal system comprises 206 bones and has two main parts: the axial skeleton and the appendicular skeleton. The skeletal system includes your bones, ligaments that attach bone to bone, and ...