Human Body: Introduction to Human Body, Composition of the Human Body (For CBSE, ICSE, IAS, NET, NRA 2022)
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Introduction to Human Body
- The human body defines the structure of a human being.
- It is composed of different types of cells that together create tissues and organ systems.
- The human body comprises:
- A head
- Neck
- Trunk (thorax and abdomen)
- Arms and hands
- Legs and feet
Study of the Human Body
Anatomy
- It is the scientific study of form and shapes of human beings.
- The skeleton helps in protecting several vital organs such as lung and liver.
- Muscles assist the bones in locomotion being specialized tissues.
Physiology
- It is the scientific study of functions and mechanisms in a living system.
- It focuses on how organisms, organ systems, individual organs, cells, and biomolecules carry out the chemical and physical functions.
Histology
- It is the study of the microanatomy of cells, tissues, and organs as seen through a microscope.
- It examines the correlation between structure and function.
Embryology
- The branch of biology that studies the prenatal development of gametes (sex cells) .
- It also includes fertilization, and development of embryos and foetuses.
Composition of Human Body
Various Components of the Human Digestive System
Reproductive System
Male Reproductive System
- Penis
- Urethra
- Scrotum
- Testicle
- Seminal vesicle
- Vas deferns
Female Reproductive System
- Vagina
- Cervix
- Endometrium
- Ovary
- Fimbriae
- Fallopian tubes
- Uterus
Human Respiratory System
- Trachea
- Bronchi
- Bronchioles
- Lungs
- Diaphragm
Nervous System
Central Nervous System
- Forebrain
- Midbrain
- Hindbrain
Peripheral Nervous System
- Somatic nervous system
- Autonomic Nervous System
FAQs
Q 1. What are the various components of Human Digestive System?
Answer:
The various components of Human Digestive System are namely mouth, teeth, tongue, oesophagus, stomach, liver, pancreas, gastrointestinal tract, small and large intestines, and rectum.
Q 2. Define anatomy of the human body.
Answer:
Anatomy of the human body can be defined as the scientific study of form and shapes of human beings.
Q 3. What are the two classifications of Human Nervous System?
Answer:
The two classification of Human Nervous System are:
i) Central Nervous System consists of Forebrain, Midbrain, and Hindbrain.
ii) Peripheral Nervous System consists of Somatic Nervous System and Autonomic Nervous System