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Lesson 2.1: Endocrine System Overview

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Questions and Answers

What is the main role of the endocrine system?

Supporting muscle growth and development

Serving as a physical barrier against external threats

Regulating the body's daily activities by releasing enzymes

Producing and releasing hormones into the bloodstream to control the body's functions (correct)

How do hormones function in the body?

By facilitating muscle contractions

As chemical messengers that trigger responses in organs and tissues (correct)

By directly stimulating the brain

By converting food into energy

Why is the endocrine system compared to a thermostat?

Due to its ability to regulate hormone levels based on need (correct)

To emphasize its role in maintaining water balance

Because it controls the body's temperature

For its function in controlling heart rate

Which term is used to describe the chemical substances produced by endocrine glands?

Hormones Signup and view all the answers

What happens when the endocrine system is not functioning properly?

Negatively impacting overall health, energy levels, and physical appearance Signup and view all the answers

How do endocrine glands communicate with other organs in the body?

By releasing hormones that act as chemical signals Signup and view all the answers

Which gland is responsible for controlling the 'fight or flight' response?

Adrenal Signup and view all the answers

What is the function of Adrenocorticotropic hormone (ACTH) released by the pituitary gland?

Stimulates adrenal gland to release specific hormones Signup and view all the answers

Where is the Thymus gland located?

Behind the sternum and between the lungs Signup and view all the answers

What is the hormone responsible for controlling the level of sugar in the blood?

Insulin Signup and view all the answers

Which hormone plays an important role in developing the body's defense against infections?

Thymosin Signup and view all the answers

What is a symptom of Hypothyroidism?

Sluggishness and fatigue Signup and view all the answers