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Human Body's Responses to Electrical Signals and Hormones

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Human Body's Responses to Electrical Signals and Hormones

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Questions and Answers

What is the main function of motor organs in biology?

Release hormones into the bloodstream

Produce a response like motion (correct)

Activate gene expression within target cells

Receive and process electrical signals

How do endocrine glands release hormones into the bloodstream?

By triggering gene expression changes

By secreting them into the bloodstream (correct)

By diffusing them directly to target cells

Through activation of ion channels

What happens when a hormone binds to its specific receptor on a target cell's surface?

Activation of intracellular signaling pathways occurs

Gene expression changes are triggered

Protein synthesis is altered within the cell

Initiates a series of intracellular signaling events (correct)

Which type of hormone response involves changes in gene expression and protein synthesis within target cells?

Genomic Response Signup and view all the answers

What characterizes non-genomic hormone responses?

Activation of pre-existing intracellular signaling pathways Signup and view all the answers

Where do hormones bind to trigger responses within target tissues?

'Lock and key' binding receptors on target cells Signup and view all the answers

What is the role of the endocrine system similar to?

A thermostat regulating temperature Signup and view all the answers

Which gland is described as the 'master gland'?

Pituitary gland Signup and view all the answers

What hormone promotes social bonding, trust, and empathy?

Oxytocin Signup and view all the answers

Which gland regulates activities of the body, metabolism, and reproduction?

Hypothalamus Signup and view all the answers

What does the Antidiuretic Hormone (ADH) do?

Increases water uptake in the kidney Signup and view all the answers

Why might the overall health of the body be affected when the endocrine system is not functioning properly?

Changes in physical appearance Signup and view all the answers

What hormone stimulates the adrenal glands to produce and release cortisol?

Adrenocorticotropic Hormone (ACTH) Signup and view all the answers

Which gland releases a hormone that regulates the growth of the skeletal system?

Anterior Pituitary Gland Signup and view all the answers

Which part of the Adrenal Gland plays a key role in the body's 'fight or flight' response?

Adrenal Medulla Signup and view all the answers

What is the function of aldosterone in the body?

Regulates blood pressure Signup and view all the answers

Where is the thyroid gland located in the body?

At the front of the neck Signup and view all the answers

Which part of the pituitary gland stores and releases hormones produced by the hypothalamus?

Posterior Pituitary Signup and view all the answers