The Human Body Flashcards
What are the levels of organisation in the body?
Atoms > molecules > cells > tissues > organs > organ systems > the human body
How many body systems are there?
12
What body systems are missing?
- Integumentary system
- Nervous system
- Endocrine system
- Cardiovascular system
- Respiratory system
- Lymphatic system
Muscular, skeletal, digestive, urinary, male + female reproductive system.
How many bones do adults have?
206
The nervous system inludes…
Brain, spinal cord and nerves.
The integumentary system includes…
Hair, skin, and nails.
What are the three layers of the skin in order from top to bottom layer?
Epidermis, dermis and hypodermis (hypo = low).
What is the largest organ in the body?
Skin
What are the 5 organs considered vital for survival?
The heart, brain, kidneys, liver, and lungs.
A _____ is an organ which produces and releases substances that perform a specific function in the body.
Gland
The skeletal system includes…
Joints and bones.
The cardiovascular system includes…
The heart and blood vessels.
The muscular system includes…
Skeletal muscles.
The urinary system includes…
The Kidney, urethra, urinary bladder and ureter.
This word refers to the kidneys.
Renal
The gastrointestinal (GI) tract is part of which body system?
The digestive system.
Which body systems are part of covering, support and movement of the body?
The integumentary, skeletal and muscular system.
Which body systems are part of ‘continuity’ of the human?
The male and female reproductive system.
Which body systems regulate the body?
Nervous and endocrine system.
Which body systems maintain the body?
The cardiovascular, lymphatic, immune, respiratory, digestive and urinary system.
The GI tract is also known as what?
The alimentary canal or the gut.
What is the chemical level of organisation in the body?
Atoms and molecules.
How is homeostasis maintained?
Through a negative feedback loop.
What are the 4 interacting components of homeostasis in order?
- Stimulus
- Sensor
- Control center, and
- Effector.
The hypodermis is also known as..?
Subcutaneous tissue.
