Question

1. fat in the human body exists in the form of cholesterol. True or false
2.An --------pacemaker is an excitable focus outside of the normally functioning pacemaker of the heart
3.congestive heart failure is a complication of most forms of heart disease. true or false
4. The --------serves as a fetal connection between the pulmonary artery and the aorta

Answer 1

1) True. Fat is exists as cholesterol, triglycerides, fatty acids, etc. in the human body.

2) Ectopic. It is an excitable group of cells that causes a premature heart beat outside the normally functioning sinoatrial node.

3) True. In congestive heart failure, the heart muscles become weakened and cannot pump blood effectively. This causes the kidney to retain excess fluid and salts in different parts of the body. This can be caused by many conditions that affect the heart muscles such as coronary artery disease, cardiomyopathy, heart attack, etc.

4) Ductus arteriosus. The ductus arteriosus, also called the ductus Botalli, is a blood vessel in the fetus connecting the pulmonary artery to the aorta allowing most of the blood from the right ventricle to bypass the fetus's lungs.