- What action produces vibrations that can be heard with a stethoscope?
- What is the name of the great vessel that supplies blood to the right atrium?
- Which heart valve controls the flow of blood between the left atrium and the left ventricle?
- What is the cavity called that separates the parietal and visceral layer of the heart and what is its function?
- What is the double walled sac that surrounds the heart called?
- What is the term used to describe the amount of tension, or stretch, in the ventricular muscle just before it contracts?
- The parasympathetic nervous system sends impulses to the heart via the vagus nerve, which:
- What portion of the heart lines the heart's chambers?
- What heart valve prevents backflow from the aorta to the left ventricle?
- What are the three layers of the heart wall from outermost to innermost layer?
- What heart valve prevents backflow from the right ventricle to the right atrium?
- What is the wall of myocardium called that separates the right and left atria?
- What heart valve prevents backflow from the pulmonary artery to the right ventricle?
- What layer is considered the "muscle middle layer" and performs the work of the heart?
- 3 types of stimuli trigger endocrine glands to make and release hormones
- gliding, hinge, pivot, condylar, saddle, ball and socket
- Intestinal ridge - the spiral valve - in the intestine of sharks-increasing the absorption surface of the intestine is called
- Blocks of muscles (segmented muscles) - surrounding the notochord and nerve cord in Chordates are called
- Structures used by sharks to detect electromagnetic field are called
- Reproductive tract, excretory system, and digestive tract in representatives of the Chondrichthyes class (cartilaginous fish) empty into a