Who Discovered The Heart?

Who Discovered The Heart? We all know how the heart works, pumping blood around our body to all our organs. But this wasn’t always common knowledge, it’s thanks to 16th-century scientist, William Harvey that we discovered the real purpose of the heart. Who first discovered the heart? In Medicine’s 10 Greatest Discoveries, which I co-authored

What Regulates Heartbeat And Respiration?

What Regulates Heartbeat And Respiration? The medulla oblongata (myelencephalon What regulates breathing and heartbeat? The brain stem sits beneath your cerebrum in front of your cerebellum. It connects the brain to the spinal cord and controls automatic functions such as breathing, digestion, heart rate and blood pressure. What part of the brain regulates heartbeat and

Why Would Your Heart Rate Increase Or Decrease To Help Maintain Homeostasis When You Exercise?

Why Would Your Heart Rate Increase Or Decrease To Help Maintain Homeostasis When You Exercise? In order for a body to work optimally, it must operate in an environment of stability called homeostasis. When the body experiences stress—for example, from exercise or extreme temperatures—it can maintain a stable blood pressure and constant body temperature in

When Is Your Parasympathetic System Activated?

When Is Your Parasympathetic System Activated? We discussed how the parasympathetic nervous system slows the breathing down. But if you intentionally focus on slowing your breathing, even during moments of stress or “fight-or-flight,” it can trigger the parasympathetic nervous system response. What activates parasympathetic nervous system? Stimulating the vagus nerve stimulates the parasympathetic nervous system,

Why Does Heart Rate Increase During Exercise A Level Biology?

Why Does Heart Rate Increase During Exercise A Level Biology? When exercising our muscles contract more often and require more energy. Energy is made during the process of respiration . As more glucose and oxygen is needed, cardiac output (blood pumped per minute) and blood flow to the muscles increases. This causes an increase in