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Main systems of the human body, Skeletal system, Nervous system, Endocrine…
Main systems of the human body
What is the skeletal system?
The skeletal system works as a support for our body. It's responsible for giving our body it's shape, movement, creating blood cells, provides protection for organs and stores minerals.
Important:
Our human body consists of 270 bones at birth. This amount of bones slowly decrease to 206 bones by adulthood after some bones get fused together. Bones reach their max density at age 21.
What is the nervous system?
Our nervous system is our body's command center. It is originated originated at the brain and controls our thoughts, movement, and gives automatic responses to the world around us
Programming of spinal cord reflexes such as stretch reflex.
It controls our memory and learning, as well as our voluntary control of movement.
It controls our internal environment to maintain homeostasis. An example of this would be the regulation of our body temperature.
Information processing - helps our brain process information and takes it in.
Sensory input - sensory receptor neurons respond to physical stimuli in our environment like touch or temperature.
What is the endocrine system?
The endocrine system is the messenger system which comprises feedback loops of the hormones which are released by internal glands.
This system is responsible for work, metabolism, and reproduction. This can depend on levels of hormones already in the blood
It regulates all biological processes in the body from conception through adulthood all the way up to old age
The hormones in this system help control mood, growth and the way we develop.
The endocrine system is important for the control and regulation of all the major functions and processes of the body.
What is the lymphatic system?
The lymphatic system is a network of tissues, organs, and vessels which move a fluid to our circulatory system.
Bone marrow
Absorbs digestive tract fats and removes cellular waste
Blockages, diseases or infections can affect the lymphatic system's function
Maintains body fluid levels
Removes all fluids that leak out of our blood vessels
Protects our body from illness-causing invaders
Thymus
Vessels
Tonsils
membranes
Lymph nodes
What is the reproductive system:
The reproductive system is the system made up of all the anatomical organs involved in sexual reproduction.
testicles
cervix
fallopian tubes
Producing and transporting sperm, ejaculating sperm into the female reproductive tract, and producing male hormones. Most of the male reproductive system is located outside of the body.
producing eggs (ova) to be fertilised, and to provide the space and conditions to allow a baby to develop
ovaries
uterus
vagina
penis
Prostate
The respiratory system is the network of organs and tissues that help you breathe.
Lungs
cleans waste gases such as carbon dioxide from your blood.
Protection and sound production
helps the body absorb oxygen from the air so our organs can work.
Blood vessels
Aiways
What is the digestive system?
The digestive system digests food, absorbs released nutrients, and excretes food components that are indigestible. The activities involved in this process are mechanical digestion, chemical digestion, absorption, and defecation.
Throat - lets the food come in
Esophagus - breaks down the food through a small tube
The digestive system breaks down and absorbs nutrients from the food and liquids you consume to use for important things like energy, growth and repairing cells.
Mouth - chews the food down
Intestines
Stomach
Anus
What is the integeumentary system?
The integumentary system is the largest organ of the body that forms a physical barrier between the external environment and the internal environment that it serves to protect and maintain.
The integumentary system includes the epidermis, dermis, hypodermis, associated glands, hair, and nails.
body temperature regulation, cell fluid maintenance, synthesis of Vitamin D, and detection of stimuli.
What is the muscular system?
The muscular system is composed of specialized cells called muscle fibers
Stability. Muscle tendons stretch over joints and contribute to joint stability
Posture
Mobility. The muscular system's main function is to allow movement
What is the cardiovascular system?
The circulatory system is an organ system that permits blood to circulate and transport nutrients, oxygen, carbon dioxide, and hormones
helps dispose metabolic wastes
The heart pumps the blood around the blood vessels.
Blood circulates through a network of vessels throughout the body to provide individual cells with oxygen and nutrients
Skeletal system
Nervous system
Endocrine system
Lymphatic system
Functions
Function/importance
Lymphatic organs
Function
Reproductive system
Reproductive organs for men
Reproductive organs for women
Function for men
Function for women
Respiratory system
Organs
Function
Digestive system
Organs
Function
Integumentary system
Function
Muscular system
Function
Cardiovascular system