Podcast
Questions and Answers
What is the purpose of a feedback system in the body?
What is the purpose of a feedback system in the body?
- To maintain the volume and composition of body fluid
- To initiate chemical reactions in the body
- To regulate the concentration of glucose in the blood
- To monitor and evaluate the status of the body's condition (correct)
Which component of the feedback system is responsible for detecting changes in the body's environment?
Which component of the feedback system is responsible for detecting changes in the body's environment?
- Receptor (correct)
- Control Centre
- Effector
- Stimulus
What is the primary function of negative feedback systems in the body?
What is the primary function of negative feedback systems in the body?
- To amplify the effects of a stimulus
- To initiate chemical reactions in the body
- To increase glucose concentration in the blood
- To maintain stability and prevent excessive change (correct)
In which part of the body do the highest proportions of water compose 80–85 percent of their masses?
In which part of the body do the highest proportions of water compose 80–85 percent of their masses?
Which of the following is NOT a basic cell function related to obtaining nutrients and oxygen?
Which of the following is NOT a basic cell function related to obtaining nutrients and oxygen?
What is the primary function of performing chemical reactions that use nutrients and O2?
What is the primary function of performing chemical reactions that use nutrients and O2?
Why is obtaining food (nutrients) and oxygen (O2) crucial for all cells?
Why is obtaining food (nutrients) and oxygen (O2) crucial for all cells?
Which of the following is a key part of a cell's response to changes in the surrounding environment?
Which of the following is a key part of a cell's response to changes in the surrounding environment?
Which atoms make up 96% of the total body chemistry?
Which atoms make up 96% of the total body chemistry?
At which level of organization in the human body do cells become the basic units of life?
At which level of organization in the human body do cells become the basic units of life?
Which atoms and molecules are the inanimate raw ingredients from which all living things arise?
Which atoms and molecules are the inanimate raw ingredients from which all living things arise?
What is the fundamental unit of both structure and function in a living being?
What is the fundamental unit of both structure and function in a living being?
