11 human body systems and its definition
Answers
1.Circulatory system:
Circulates blood around the body via the heart, arteries and veins, delivering oxygen and nutrients to organs and cells and carrying their waste products away.
2.Digestive system / :
Mechanical and chemical processes that provide nutrients via the mouth, esophagus, stomach and intestines.
3.Endocrine system:
Provides chemical communications within the body using hormones.
4.Integumentary system/ Exocrine system:
Skin, hair, nails, sweat and other exocrine glands.
5.Lymphatic system / Immune system:
The system comprising a network of lymphatic vessels that carry a clear fluid called lymph.
6.Muscular system :
Enables the body to move using muscles.
7.Nervous system:
Collects and processes information from the senses via nerves and the brain and tells the muscles to contract to cause physical actions.
8.Renal system / Urinary system/ Excretory system:
The system where the kidneys filter blood.
9.Reproductive system:
The sex organs required for the production of offspring.
10.Respiratory system:
The lungs and the trachea that bring air into and out of the body.
11.Skeletal system:
Bones supporting the body and its organs.