UNIT 8 organ systems of the human body Flashcards
(20 cards)
What are the 10 major organ systems of the human body?
- Circulatory System
- Integumentary System
- Digestive System
- Musculoskeletal System
- Endocrine System
- Respiratory System
- Reproductive System
- Nervous System
- Immune System
- Excretory System
Each system has specific functions that contribute to the overall health of the organism.
What is the main function of the CIRCULATORY SYSTEM?
To circulate blood throughout the body
Blood carries nutrients and oxygen to cells.
Which organ pumps blood in the circulatory system?
Heart
Blood vessels are the tubes through which blood travels.
What does the INTEGUMENTARY SYSTEM do?
Provides a barrier of protection and helps regulate body temperature
The major organ of this system is the skin.
What is the primary function of the DIGESTIVE SYSTEM?
Breaks down food and absorbs nutrients
The digestive tract includes the mouth, esophagus, stomach, and intestines.
Fill in the blank: The major organ of the digestive system that aids in digestion is the _______.
Liver
What two systems make up the MUSCULOSKELETAL SYSTEM?
Skeletal System and Muscle System
They work together to create movement in the body.
What does the ENDOCRINE SYSTEM produce?
Hormones
Hormones are chemical messengers that regulate many processes in the body.
List some major organs of the endocrine system.
- Adrenal gland
- Hypothalamus
- Pituitary gland
- Pancreas
- Thyroid
These glands are involved in hormone production.
What is the primary role of the RESPIRATORY SYSTEM?
Takes in oxygen and releases carbon dioxide
Oxygen is essential for cellular respiration.
Name the organs included in the respiratory system.
- Trachea
- Bronchi
- Lungs
These organs facilitate the exchange of gases.
What is the function of the REPRODUCTIVE SYSTEM?
Responsible for making and nurturing offspring
Different organs are involved in males and females.
Fill in the blank: In females, the major organs of the reproductive system include the ovary, Fallopian tubes, and _______.
Uterus
What organs are involved in the male reproductive system?
- Testes
- Vas deferens
- Penis
These organs are responsible for male reproduction.
What does the NERVOUS SYSTEM do?
Responds to stimuli and controls body functions
It coordinates activities based on information received.
Identify the main organs of the nervous system.
- Brain
- Spinal cord
- Nerves
These organs are crucial for the functioning of the nervous system.
What is the role of the IMMUNE SYSTEM?
Protects the body from infection
It includes barriers and components that fight pathogens.
List some components of the immune system.
- Skin
- Mucous membranes
- White blood cells
- Spleen
- Lymph nodes
- Thymus
- Bone marrow
These components work together to defend against germs.
What is the main function of the EXCRETORY SYSTEM?
Removes wastes from the body
The kidneys are the major organs involved in this process.
Fill in the blank: The major organ of the excretory system is the _______.
Kidneys
