Asked by ankit jaiswal on Sep 28, 2024
Verified
Which system is responsible for the human body's defense against disease and harmful substances?
A) the immune system
B) the circulatory system
C) the excretory system
D) the endocrine system
Immune System
The complex network of cells, tissues, and organs in an organism that work together to defend against foreign substances and pathogens.
Harmful Substances
Substances that are dangerous to the environment or health of living organisms.
Circulatory System
The body system responsible for the transport of blood, nutrients, gases, and wastes, helping to maintain homeostasis within organisms, particularly in vertebrates.
- Identify key factors and strategies in controlling and preventing infectious and non-infectious diseases.
Verified Answer
YL
Yannick Longchi1 day ago
Final Answer :
A
Explanation :
The immune system is responsible for defending the human body against disease and harmful substances through a complex network of cells, tissues, and organs that work together to identify and destroy foreign invaders or abnormal cells. The circulatory system, excretory system, and endocrine system have important functions in the body, but they do not have the primary role of defending against disease and harmful substances.
Learning Objectives
- Identify key factors and strategies in controlling and preventing infectious and non-infectious diseases.