1.Name the organs of the circulatory system ?
2.What is heart ?
3.Diffrentiate between arteries and veins?
Answers
Explanation:
FIRST question answer
brain
heart
lungs
arteries
veins
2.
The heart is an organ about the size of your fist that pumps blood through your body. It is made up of multiple layers of tissue. Your heart is at the center of your circulatory system
3.The arteries are responsible for carrying the oxygenated blood away from the heart to different organs. On the contrary, veins carry deoxygenated blood from different organs of the body to the heart for oxygenation
Answer:
Human Circulatory System
The human circulatory system consists of a network of arteries, veins, and capillaries, with the heart pumping blood through it. Its primary role is to provide essential nutrients, minerals, and hormones to various parts of the body. Alternatively, the circulatory system is also responsible for collecting metabolic waste and toxins from the cells and tissues to be purified or expelled from the body.
Features of Circulatory System
The crucial features of human circulatory are as follows:
The human circulatory system consists of blood, heart, blood vessels, and lymph.
The human circulatory system circulates blood through two loops (double circulation) – One for oxygenated blood, another for deoxygenated blood.
The human heart consists of four chambers – two ventricles and two auricles.
The human circulatory system possesses a body-wide network of blood vessels. These comprise arteries, veins, and capillaries.
The primary function of blood vessels is to transport oxygenated blood and nutrients to all parts of the body. It is also tasked with collecting metabolic wastes to be expelled from the body.
Most circulatory system diagrams do not visually represent is its sheer length. Theoretically, if the veins, arteries, and capillaries of a human were laid out, end to end, it would span a total distance of 1,00,000 kilometres (or roughly eight times the diameter of the Earth).
Organs of Circulatory System
The human circulatory system comprises 4 main organs that have specific roles and functions. The vital circulatory system organs include:
Heart
Blood (technically, blood is considered a tissue and not an organ)
Blood Vessels
Lymphatic system
Heart
The heart is a muscular organ located in the chest cavity, right between the lungs. It is positioned slightly towards the left in the thoracic region and is enveloped by the pericardium. The human heart is separated into four chambers; namely, two upper chambers called atria (singular: atrium), and two lower chambers called ventricles.
Arteries are blood vessels responsible for carrying oxygen-rich blood away from the heart to the body. Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation.
Explanation: