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The heart pumps around 6,000-7,500 litres of blood in a day throughout the body. The heart is situated at the centre of the chest and points slightly towards the left. On average, the heart beats about 100,000 times a day, i.e., around 3 billion beats in a lifetime. The average male heart weighs around 280 to 340 grams (10 to 12 ounces).
Diagram of Heart. The human heart is the most crucial organ of the human body. It pumps blood from the heart to different parts of the body and back to the heart. The most common heart attack symptoms or warning signs are chest pain, breathlessness, nausea, sweating etc. The diagram of heart is beneficial for Class 10 and 12 and is frequently ...
Macroscopic or Gross anatomy; This anatomy mainly deals with the study of large body parts those which can be seen easily through our naked eyes. For example Anatomy of the kidney, anatomy of the heart, anatomy of lungs, etc. Gross anatomy is further classified into regional anatomy, systemic anatomy, and surface anatomy.
The human heart is found between the lungs, slightly towards the left sternum. Discover important multiple choice questions on human heart here. 1. The walls of the ventricles possess thick muscular projections, they are known as. 2. Regulation of normal activities of the human heart takes place. 3.
Jan 25, 2018 · 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.
Human Anatomy is the scientific study of form and shapes of human beings. The skeleton also protects several vital organs such as the heart, lungs and the liver. Bones are attached to other bones through ligaments, a fibrous connective tissue. Joints are the points at which two or more bones meet.
It is a closed network consisting of four major components: The heart. Blood. Blood vessels. These four, with the help of certain other organs such as the lungs, are responsible for the circulation of blood in the human body. Major Components of the human circulatory system are mentioned below. The Heart.
Sol: (d) Mitochondria. 13. Which of the following is the correctly matched pair of an organ and muscles present in the organ? (a) Intestine – striated and involuntary. (b) Upper arm – smooth muscle and fusiform in shape. (c) Heart – involuntary and unstriated smooth muscle. (d) Thigh – striated and voluntary.
The skeletal system functions as the basic framework of a body and the entire body are built around the hard framework of Skeleton. It is the combination of all the bones and tissues associated with cartilages and joints. Almost all the rigid or solid parts of the body are the main components of the skeletal system.
Morphology of Frogs. Though larvae have tails, adult frogs are tailless. An adult frog has a stout body which is differentiated into head and trunk. Other external features are a pair of nostrils, protruding eyes, a membranous tympanum (ear), slippery/warty moist skin and webbed limbs. Frogs generally have a slippery moist and highly permeable ...
