Question

state the function of 1)thrombocytes
2) urinary bladder
3) stroma
4) renal artery
5) superior Vena cava

Answer 1

Function Of Stroma Cells. The mainfunction of stroma cells is to help support organs and act as connective tissue for particular organs. ... They also help to allow the organ to functionwhere and when it has to, but they are not the functional tissue of the cell.

Answer 2

1)formation of blood clog to stop loss of blood through a rupture vessel. prevents infection.
2)The bladder is connected to the kidneys by two long tubes called ureters. When urine is produced by the kidneys, it travels down the ureters to the bladder, where it is stored. Though the bladder seems like a simple sack of flesh, it is actually complex and has four layers.


The epithelium is the first layer on the inside of the bladder. It acts as a lining for the bladder. The lamina propria is the next layer. It consists of connective tissue, muscle and blood vessels. Wrapped around the lamina propria is the layer called the muscularis propria or detrusor muscle. According to John Hopkins Pathology, this layer consists of thick, smooth muscle bu hundles. The final, outer layer is the perivesical soft tissue, which is made up of fat, fibrous tissue and blood vessels.

The other parts of the bladder are located at the bottom of the sack. An opening at the bottom of the bladder is connected to the urethra. A circular, muscular sphincter pinches tight to keep the opening and the urethra from leaking urine.

To urinate, the detrusor muscles contract to squeeze the urine out of the bladder while the sphincter relaxes to open the opening of the bladder and urethra. The opening at the bottom of the bladder empties urine into the urethra, where it then empties from the body
3)The main function of stroma cells is to help support organs and act as connective tissue for particular organs. The connective tissue here connects to the parenchyma cells of things such as blood vessels and nerves. The stroma cells will help to reduce stress over the organ. They also help to allow the organ to function where and when it has to, but they are not the functional tissue of the cell. Stromal tissue and cells are structural in scope, not as functional as parenchyma cells.


4)You have two renal arteries, one to supply each kidney. In the human body, the kidneys are located towards the lower back. If you've ever heard of a kidney punch, you know where these sensitive organs are. All arteries in the body originate with the aorta, your largest artery and the one that originates from the left ventricle of the heart. The renal artery branches off the portion of the aorta that runs through the abdominal cavity, called the abdominal aorta.

The renal artery enters the kidney at the point at which it curves in. A kidney bean has the same shape. The renal artery enters through an opening called the hilum. Once inside the kidney, the renal artery branches off into smaller arteries to supply blood to the interior parts of the organ. Once the blood has been used in the kidney and is depleted of oxygen, it exits via the renal vein, which runs through the hilum, next to the renal artery. Each of your kidneys get a little over one liter of oxygenated blood every minute, courtesy of your renal arteries.

5) The superior vena cava (SVC) is the superior of the two venae cavae, the great venous trunks that return deoxygenated blood from the systemic circulation to the right atrium of the heart. It is a large-diameter (24 mm), yet short, vein that receives venous return from the upper half of the body, above the diaphragm. (Venous return from the lower half, below the diaphragm, flows through the inferior vena cava.) The SVC is located in the anterior right superior mediastinum.[1] It is the typical site of central venous access (CVA) via a central venous catheter or a peripherally inserted central catheter. Mentions of "the cava" without further specification usually refer to the SVC.

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