write about blood,blood vessels and heart.. about 100 words
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Blood
is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.
a blood vessels
a tubular structure carrying blood through the tissues and organs; a vein, artery, or capillary.
The heart
has four chambers: ... The left ventricle (the strongest chamber) pumps oxygen-rich blood to the rest of the body. ... The coronary arteries run along the surface of the heart and provide oxygen-rich blood to the heart muscle.
is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.
a blood vessels
a tubular structure carrying blood through the tissues and organs; a vein, artery, or capillary.
The heart
has four chambers: ... The left ventricle (the strongest chamber) pumps oxygen-rich blood to the rest of the body. ... The coronary arteries run along the surface of the heart and provide oxygen-rich blood to the heart muscle.
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HEY THERE..........
HERE IS YOUR ANSWER..........
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☜☆☞ BLOOD VESSELS:-
▶▶ The blood vessels are the part of the circulatory system, and microcirculation, that transports blood throughout the human body.[1] There are three major types of blood vessels: the arteries, which carry the blood away from the heart; the capillaries, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from the capillaries back toward the heart. The word vascular, meaning relating to the blood vessels, is derived from the Latin vas, meaning vessel. A few structures (such as cartilage and the lens of the eye) do not contain blood vessels and are labeled.
☜☆☞ HEART:-
▶▶ The heart is the key organ in the circulatory system. As a hollow, muscular pump, its main function is to propel blood throughout the body. It usually beats from 60 to 100 times per minute, but can go much faster when it needs to. It beats about 100,000 times a day, more than 30 million times per year, and about 2.5 billion times in a 70-year lifetime.
The heart gets messages from the body that tell it when to pump more or less blood depending on a person's needs. When we're sleeping, it pumps just enough to provide for the lower amounts of oxygen needed by our bodies at rest. When we're exercising or frightened, the heart pumps faster to get more oxygen to our bodies.
HOPE MY ANSWER HELPS YOU..........
:)
HERE IS YOUR ANSWER..........
▶▶▶▶▶▶▶▶▶▶▶▶▶▶▶▶▶▶▶
☜☆☞ BLOOD VESSELS:-
▶▶ The blood vessels are the part of the circulatory system, and microcirculation, that transports blood throughout the human body.[1] There are three major types of blood vessels: the arteries, which carry the blood away from the heart; the capillaries, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from the capillaries back toward the heart. The word vascular, meaning relating to the blood vessels, is derived from the Latin vas, meaning vessel. A few structures (such as cartilage and the lens of the eye) do not contain blood vessels and are labeled.
☜☆☞ HEART:-
▶▶ The heart is the key organ in the circulatory system. As a hollow, muscular pump, its main function is to propel blood throughout the body. It usually beats from 60 to 100 times per minute, but can go much faster when it needs to. It beats about 100,000 times a day, more than 30 million times per year, and about 2.5 billion times in a 70-year lifetime.
The heart gets messages from the body that tell it when to pump more or less blood depending on a person's needs. When we're sleeping, it pumps just enough to provide for the lower amounts of oxygen needed by our bodies at rest. When we're exercising or frightened, the heart pumps faster to get more oxygen to our bodies.
HOPE MY ANSWER HELPS YOU..........
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