Answer:
True
Explanation:
The terms auricle and atrium were used interchangeably to refer to the upper heart chamber in old literatures, thus leading to confusion. To put it simply, atrium is the upper chamber of heart and auricle (also called atrial appendage) is the ear like conical muscular pouch that arise from each atrium.
Answer:
mediastinum
Explanation:
Within the mediastinum, the heart is separated from the other mediastinal structures by a tough membrane known as the pericardium, or pericardial sac, and sits in its own space called the pericardial cavity. ... The heart is located within the thoracic cavity, medially between the lungs in the mediastinum.
Answer:
10-20%
Explanation:
Body weight, body fat, inflammatory proteins, and blood pressure drop when people cut back on their usual energy intake by 10 to 20 percent.
This is because excess energy intake results to them being stored in the body for future purposes. They are usually stored as fats which clogs the arteries and results in the heart using more pressure in pumping blood to parts of the body.
