lesson - 1 Part-1
1.2 Different systems of human body -02
The Integumentary system is the largest of all system.it consists of :
(a) Skin
(b) Hair
(c) Nail
(d) Sweat gland.
Functions of Integumentary system-
(a) Protects the underlying tissues from toxins,and injury pathogens.
(b) Prevents excess water loss from body.
(c) Maintains the body temperature.
(d) Receives sensory input.
1.2.7 Nervous system -
It is very important and complex system by which all parts of body are controlled.The system is made up of-
(a) Brain
(b) Spinal cord
(c) Peripheral nerves
Functions of Nervous system -
(a) Stabilization of the behavioural patterns such as feeling, reproduction, defense etc.
(b) Control tone, posture and equilibrium.
(c) Regulation of secretion of glands.
(d) Control the activity of the body.
(e) Maintain the intrinsic condition of the body, such of blood pressure, pH, blood glucose level, hormone level etc.
1.2.8 Urinary system -
The excretory system is composed of-
(a) Kidney,
(b) Ureter,
(c) Urinary bladder,
(d) Urethra.
Functions of Urinary system-
(a) Formation of urine.
(b) Excretion of metabolic waste products.
(c) Maintenance of water and electrolyte balance.
(d) Maintenance of acid base balance.
(e) Secretion of hormones e.g. rennin, erythropoietin etc.
1.2.9 Reproductive system -
The function of the reproductive system make possible the creation of new life.
Functions of Reproductive system -
(a) Maintains the own species in the world.
(b) Increases the number for existence.
(c) Stimulates the development of sex organs, breast etc.
(d) Stimulates the development of secondary sexual characteristics.
(e) Produces hormones, semen, aocytes etc.
1.2.10 Endocrine System -
The endocrine System is the System of human body that is responsible in producing hormones.
Functions of Endocrine System -
(a) Homeostasis via metabolism, antis tress action and water electrolyte regulation.
(b) Regulation of growth and development.
(c) Regulation of reproduction.
(d) Stabilize the body during emergency.
