The blood consists of two major portions: blood cells and plasma. The functions of the cardiovascular system: the cardiovascular system is so important to our body, that if it stops for a minute, rapid death will occur. The flow of blood is necessary for existence of life. If the flow of blood stopped, life will stop. Cardiovascular system has three main functions: Transport of nutrients, oxygen and hormones to cells throughout our body and removal of metabolic wastes such as (carbon dioxide and nitrogenous wastes).
Describe the four valves of the heart, including their name, location, and function. The four valves of the heart are the tricuspid valve, the pulmonic valve, the mitral valve, and the aortic valve. The tricuspid valve: It is located between the right atria and the right ventricle. It is comprised of three “flap-like cusps” which when in its closed position, prevents the deoxygenated blood entering the heart from the body, from backing up in the right atrium from the right ventricle (regurgitation). http://www.healthline.com/human-body-maps/tricuspid-valve The Pulmonic Valve: This valve is found between the right ventricle and the lungs.
The right atrium receives deoxygenated blood via the superior and inferior vena cava. The blood then goes through the right ventricle and out to the lungs where it becomes oxygenated. The oxygenated blood then travels to the left atrium via the pulmonary veins, to the left ventricle, and then out to the rest of the body and organs through the aorta. The blood also supplies oxygen and nutrients to the heart via the coronary arteries that branch from the aorta. This pumping action of blood flow is controlled by electrical impulses in the heart.
Introduction The purpose of this lab is to build a catheter system, with an inflated balloon applying pressure to the catheter being recorded by the computer and being graphed. While we analyze the data when the balloon is popped and a step input is recorded. Procedure [pic] Constructing the set up above with the catheter filled completely with water. We used a blood pressure cuff pump to fill the balloon with air while keeping the water in the tube locked off via the 3-way stopcock. Having the setup
The heart consists of 2 ventricles, and also 2 atria. There is a right atrium and also ventricle, this is where the blood comes from the veins. The deoxygenated blood then goes into the right atrium of the heart. Blood is released from the atrium and goes into the right ventricle, this happens when the heart relaxes, this is where the right ventricle pushes blood in through pulmonary valve and eventually into pulmonary artery, this is the place where the blood its given to the lungs because to get back oxygen. Lastly the blood is then given back to hearts left side.
This enables the medicine to be delivered to the site where it is most needed – the lungs. Inhalers and nebules (for use in a nebuliser) are common examples of this route of delivery. A variety of inhalers are available on the market. Aerosols and dry powder inhalers are marketed. Compliance aids such as ‘spacers’ can be prescribed to help with the delivery of the medicine from an inhaler.
Spirometry A breathing test called Spirometry will often be carried out to assess how well your lungs work. This involves taking a deep breath and exhaling as fast as you can through a mouthpiece that is attached to a machine called a spirometer. The spirometer takes two measurements – the volume of air you can breathe out in the first second of exhalation and the total amount of air you breathe out. You may be asked to breathe into spirometer a few times to get an accurate reading. The readings are then compared with average measurements for people your age, sex and height, which can show if your airways are obstructed.
Antiarrythmic is used to control an irregular heartbeat. 16. Heart failure is when the heart is unable to pump out all the blood it receives. 17. Cardiopulmonary resecitation is an emergency procedure for life support consisting of artificial respirations and external cardio 18.
Moving air breathed in and out creates sound. Trachea – Filters air we breathe and branches into the Bronchi. Bronchi – Two air tubes that branch off the Trachea and carry air directly into the lungs. Bronchioles – Branches from the Bronchi, which ends, contain the alveoli. Alveoli – Very small air sacs that are the destination of air breathed in.
Make observations and measurements of as many structures as you can, filling in your results table. 4. Insert a glass rod into the aorta and observe where it connects to the left ventricle. Make an incision up through the aorta and examine the inside carefully for three small membranous pockets. These form the aortic semi-lunar valve which prevents blood from flowing back into the left