Slide 1 Blood Vessels and the Heart Slide 2 Blood Vessels Three Types – Arteries: carry blood away from the heart Thick walled, smaller vessels are called arterioles –…
Slide 1 Biology 2672a: Comparative Animal Physiology Circulation II: Regulation of Circulation Slide 2 What happens in the ‘systemic circuit’? Slide 3 The ‘Systemic…
At one time people believed their emotions came from their hearts because the heart beats faster when a person is scared or excited. We now know that emotions come from the…