MULTIDISCIPLINRY NATURE OF THE ENVIRONMENTAL STUDIES.pptx
Systems of human body
1. Systems of Human body
Presented by,
K. Sai lakshmi
B-pharmacy
Balaji college of pharmacy
2. Definition:
Body systems are groups of organs and tissues that
work together to perform important jobs for the body. Some
organs may be part of more than one body system if they serve
more than one function
The human body consists of twelve organ systems, each
of which contains several functions and specific organs.
3. 1. Digestive system
2. Circulatory system
3. Nervous system
4. Excretory system
5. Respiratory system
6. Skeletal system
7. Muscular system
8. Endocrine system
9. Immune system
10. Integumentary system
11. Lymphatic system
12. Reproductive system
5. Functions of Digestive system
Ingestion of food.
Digest food into smaller molecules and absorb nutrients.
Remove undigestible food from body (feces).
Major organs:
Mouth
Esophagus
Stomach
Small Intestine
Large intestine
Rectum
anus
Salivary glands
Pancreas
Liver and
gall bladder
7. Functions:
Transport oxygen and nutrients to and from cells/tissues.
Remove waste products.
Major organs:
Heart
Veins
Arteries
Capillaries
Red blood cells
9. Functions:
Gathers and interprets information
Responds to information
Helps maintain homeostasis
Coordinates activities of other organ systems
Major organs:
Brain
Spinal cord
Nerves
Eyes
Ears
25. Functions:
Stores and carries WBC’s that fight disease.
Collects excess fluid and returns it to blood (2nd circulatory system-
reaches places other one can’t between cells).
Major organs:
Lymph
Lymph vessels
Lymph nodes
Spleen
Thymus