The heart is a muscular organ that serves to collect deoxygenated blood from all parts of the body, carries it to the lungs to be oxygenated and release carbon dioxide. Then, it transports the oxygenated bloodfrom the lungs and distributes it to all the body parts 1. The heart pumps around 7,200 litres of blood … See more The heart is a conical hollow muscular organ situated in the middle mediastinum and is enclosed within the pericardium. It is positioned posteriorly to the body of the sternum with one … See more The heart is supplied by two coronary arteries: 1. Left main coronary artery carries 80% of the flow to the heart muscle. It is a short artery that divides into two branches 1. Left anterior descending artery that supplies … See more The main control of the heart resides with the medulla oblongata.There is an area called the cardioacceleratory centre, or pressor centre, in the upper part of the medulla oblongata, … See more Venous drainage is via the variable coronary veins and the coronary sinus. The lymphatic vesselsdrain mainly into: 1. Brachiocephalic nodes, in front of brachiocephalic … See more WebNov 1, 2024 · Start Now. The heart is located underneath the sternum in a thoracic compartment called the mediastinum, which occupies the space between the lungs. The …
1.3: Directional Terms - Biology LibreTexts
WebApr 11, 2024 · As a child prodigy, it makes sense that Maggie might be emotionally stunted. Still, both Jackson and Winston have had the same problems with her (even Ethan in Grey's Anatomy Season 11 brought up ... WebMay 7, 2024 · Directional Terms. With the body in anatomical position, there are specific terms to describe parts of the body with respect to each other. Please note that these … respiration phases
Position Heart
WebJul 20, 1998 · heart, organ that serves as a pump to circulate the blood. It may be a straight tube, as in spiders and annelid worms, or a somewhat … WebApr 29, 2024 · The human heart is primarily comprised of four chambers. The two upper chambers are called the atria, the remaining two lower chambers are the ventricles. The right and left sides of the heart are … WebHowever, we will focus on the three planes that are traditionally used when discussing human anatomy. First is the transverse plane, (also called the horizontal plane), which … respiration through buccal cavity