Question

define blood please and heart, blood vessels​

Answer 1

Answer:

⭕ Blood -

---> it is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oygen to the cells and transport metabolic waste products away from those same cells.

⭕ Heart :-

---> It is a muscular organ in most animals , which pumps blood through the blood vessels of the circulatory system. the human heart is located between the lungs , in the middle compartment of the chest.

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Answer 2

Blood is a fluid connective tissue that helps in the transportation of food ,waste and oxygen...heart is a muscular organ that pumps the oxygenated blood to various parts of the body and deoxygenated blood to the lungs for purification....blood vessels are connective vessels that transport required materials to the various parts of the body