Circulatory System

the left chambers of heart receives oxygenated blood i.e .left auricle and left ventricle

aorta

Humans have a closed circulatory system to efficiently transport blood, nutrients, and oxygen throughout the body. This system allows for higher blood pressure and faster circulation, ensuring that vital organs and tissues receive adequate supplies of oxygen and nutrients. Additionally, a closed system helps to regulate blood flow to different body parts, facilitating responses to varying metabolic demands. Overall, this structure supports complex physiological functions and maintains homeostasis.

The circulatory system brings the body's cells what they need to survive - oxygen and nutrients.

The center of the circulatory, or cardiovascular system, is the heart, a powerful pump organ designed to beat many millions of times over the lifetime of an organism. The heart circulates blood throughout the veins and arteries. Arteries carry oxygen-rich blood away from the heart, providing it to tissues, then returning the depleted red bloods cells back to the heart through the veins for reoxygenation.

We need the circulatory system because without that we would have no blood in our body... we would not get the nutrients we need and we would not be living without the heart.

Sea lions have a closed circulatory system, which is typical for mammals. In this system, blood is contained within vessels and is pumped by the heart, allowing for efficient transport of oxygen and nutrients throughout the body. This adaptation supports their active lifestyle both in the water and on land.

In an open circulatory system, a tubular heart pumps hemolymph into a hemocoel (a system of interconnected sinuses), where chemical exchange can occur with the "bathed" tissues. The hemolymph diffuses back to the heart. This creates a sluggish blood flow because of low pressure & low oxygen content, resulting in low efficiency.

In a closed circulatory system, a muscular heart pumps blood into large vessels that branch into smaller vessels that course through the organs. The blood is confined to vessels and are distinct from the interstitial fluid.

Basically, an open circulatory system is somehow connected to the environment, while the closed circulatory system is just confined in the animal's body.

Yes, shock occurs when the circulatory system fails to deliver sufficient blood and oxygen to the body's tissues, leading to cellular dysfunction. This can result from various conditions, such as severe blood loss, dehydration, or heart failure. Symptoms may include rapid heartbeat, low blood pressure, confusion, and pale or clammy skin. If not treated promptly, shock can lead to organ failure and be life-threatening.

The variety of exercise influences the circulatory system by increasing heart rate, stroke volume, and overall cardiac output, which can be reflected in an EKG reading. During exercise, the heart's electrical activity may show faster rhythms, changes in intervals, and variations in waveforms, indicating increased demand for oxygen. Additionally, different types of exercise can lead to specific EKG patterns, such as ST segment changes or T wave alterations, depending on the intensity and duration of the activity. These changes help assess cardiac function and fitness levels.

During gestation, the three primary germ layers—ectoderm, mesoderm, and endoderm—form. The mesoderm is specifically responsible for developing into the bone, muscle, and circulatory system. The ectoderm contributes to the formation of the skin and nervous system, while the endoderm develops into internal organs such as the digestive tract and respiratory system. These layers arise from the process of gastrulation, which occurs early in embryonic development.

The tiniest tubes in the circulatory system, known as capillaries, are closely related to the air sacs in the lungs, called alveoli. Capillaries surround the alveoli and facilitate the exchange of oxygen and carbon dioxide between the air in the alveoli and the blood. This process allows oxygen to enter the bloodstream while carbon dioxide is expelled from the blood, highlighting the interconnectedness of the respiratory and circulatory systems in maintaining body oxygenation.

A working machine that mimics the circulatory system is a hydraulic system, commonly used in various applications like construction equipment. In this system, hydraulic fluid acts as the blood, flowing through pipes and hoses to transfer power. Pumps function like the heart, circulating the fluid to different parts of the machine, while valves control the flow and direction, similar to how blood vessels regulate circulation. This allows for the efficient transmission of energy and movement, much like the circulatory system supports bodily functions.

A calculator is typically considered a closed system because it operates independently of external influences once it is turned on and does not exchange matter with its environment. However, it can be viewed as an open system when accounting for input from users and output displayed on the screen, as it interacts with external elements during its operation. Overall, its classification can depend on the context in which it is being analyzed.