Human Brain
It is a control system which sends and receives signals to the organs in the form of secret hormones.
Human Heart
Heart's responsibility is to pump the blood throught human body.
Kidneys
Kidney's job is to remove waste and extra fluid from blood.
Liver
It has many functions, including removal of harmful chemicals, breakdown drugs, filter blood.
Lungs
The job of lungs is to remove oxygen from the air and transfer to the blood.
Circulatory System
The functionality of circulatory system is to circulate blood, oxygen, carbon dioxide and hormones.
Digestive System
The job of digestive system is to break down and absorb food and remove waste from the body.
Endocrine System
It helps us for growth of hormones an sextual function.
Immune System
The immune system's job is to protect from bacteria, viruses and other pathogens in the body.
Lymphatic System
It helps to defence body, It contains white blood cells which fights with body infection.
Nervous System
It contain central nervous system and spinal cord which sends signals to different parts of body.
Muscular System
It contains 650 different muscles that helps in body movement.
Reproductive System
It helps humans to reproduce.
Respiratory System
It helps us to take in vital oxygen and expel carbon dioxide while breathing.
Skeletal System
Ir consists of 206 bones that are connected by tendons, ligaments and cartilage.
Urinary System
It helps to eliminate a waste product called urea from the body.
Integumentary System
It is the largest organ of the body which defences us against bacteria, viruses and other pathogens.