Coordination and Control in Animals

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What is the primary reason why an animal's tissues and organ systems must act in concert with one another?

To respond to stimuli

To regulate blood flow

To perform their specialized functions effectively (correct)

To maintain homeostasis

What is the main function of thyroid-stimulating hormone (TSH)?

To convey information through nerve impulses

To increase oxygen consumption and heat production in nearly every body tissue

To stimulate release of thyroid hormone (correct)

To coordinate gradual changes in growth and development

What is the main difference between the endocrine system and the nervous system?

The speed of signal transmission

The number of cells involved

The pathway used to transmit signals (correct)

The type of signaling molecules used

How do nerve impulses travel through the nervous system?

As changes in voltage along axons Signup and view all the answers

What is the term for the signaling molecules released by the endocrine system?

Hormones Signup and view all the answers

What is a key difference between the endocrine and nervous systems in terms of signal duration?

The endocrine system has a longer signal duration Signup and view all the answers

What determines which cells respond to a particular hormone?

The presence of receptors for that hormone Signup and view all the answers

What is an example of a function that the endocrine system is well adapted for?

Coordinating gradual changes in growth and development Signup and view all the answers

What is a characteristic of the nervous system in terms of signal transmission?

It involves very short-range chemical signals Signup and view all the answers

What is the advantage of the endocrine system's broadcasting of hormones throughout the body?

It allows hormones to reach cells in any location Signup and view all the answers

What is a common goal of the endocrine and nervous systems?

To maintain a stable internal environment Signup and view all the answers

What is an example of coordination of activity in an animal?

The regulation of blood flow to bring adequate nutrients and gases to the leg muscles during hunting Signup and view all the answers

Which of the following best describes the role of the brain in the example of the wolf hunting?

Activating the leg muscles in response to cues Signup and view all the answers

What is the primary mechanism by which hormones affect the body?

By releasing signaling molecules into the bloodstream Signup and view all the answers

What determines the extent of a hormone's effect in the body?

The number of cells with receptors for the hormone Signup and view all the answers

What is the key difference between the endocrine system and the nervous system in terms of signal transmission?

The routes used to transmit signals Signup and view all the answers

Why is coordination between tissues and organ systems necessary for an animal's survival?

To enable the body to perform specialized functions effectively Signup and view all the answers

What is the primary function of the two major systems for coordinating and controlling responses to stimuli?

To enable the body to respond to stimuli in a coordinated manner Signup and view all the answers

How does the endocrine system convey information to target cells?

Through the release of hormones into the bloodstream Signup and view all the answers

What is a key advantage of the nervous system's use of chemical signals?

It allows for very short-range communication between neurons Signup and view all the answers

What is the primary function of the endocrine system in terms of the body's overall physiology?

To regulate growth and development Signup and view all the answers

How do the endocrine and nervous systems differ in terms of signal type?

The endocrine system uses hormones, while the nervous system uses nerve impulses Signup and view all the answers

What is the duration of the effects of hormones in the body?

Several minutes to several hours Signup and view all the answers

Why is the nervous system well suited for directing immediate and rapid responses to the environment?

Because it uses electrical signals that can travel at a very fast speed Signup and view all the answers

What is the primary function of the endocrine system in terms of the body's overall physiology?

Coordinating gradual changes that affect the entire body Signup and view all the answers

How do nerve impulses travel through the nervous system?

Along axons as changes in voltage Signup and view all the answers

What is a key advantage of the nervous system's transmission of information?

It is extremely fast Signup and view all the answers

What is the primary function of the nervous system in terms of the body's overall physiology?

Directing immediate and rapid responses to the environment Signup and view all the answers

What is the primary purpose of the coordination and control systems in animals?

to facilitate communication between organ systems Signup and view all the answers

How do hormones act on target cells?

Directly on nearly every body tissue Signup and view all the answers

What is unique about the signaling pathways used by the endocrine and nervous systems?

The type of pathway used is the same regardless of the location of the target cells Signup and view all the answers

How do hormones released by the endocrine system affect cells?

They only affect cells that have receptors for that particular hormone Signup and view all the answers

What is a common goal of the endocrine and nervous systems?

To maintain a stable internal environment Signup and view all the answers

What is a key difference between the endocrine and nervous systems?

The type of signals transmitted Signup and view all the answers

What is an example of coordination of activity in an animal?

The regulation of blood flow during hunting Signup and view all the answers

What determines which cells respond to a particular hormone?

The presence of specific receptors on the surface of cells Signup and view all the answers

Coordination and Control in Animals

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Questions and Answers

What is the primary reason why an animal's tissues and organ systems must act in concert with one another?

What is the main function of thyroid-stimulating hormone (TSH)?

What is the main difference between the endocrine system and the nervous system?

How do nerve impulses travel through the nervous system?

What is the term for the signaling molecules released by the endocrine system?

What is a key difference between the endocrine and nervous systems in terms of signal duration?

What determines which cells respond to a particular hormone?

What is an example of a function that the endocrine system is well adapted for?

What is a characteristic of the nervous system in terms of signal transmission?

What is the advantage of the endocrine system's broadcasting of hormones throughout the body?

What is a common goal of the endocrine and nervous systems?

What is an example of coordination of activity in an animal?

Which of the following best describes the role of the brain in the example of the wolf hunting?

What is the primary mechanism by which hormones affect the body?

What determines the extent of a hormone's effect in the body?

What is the key difference between the endocrine system and the nervous system in terms of signal transmission?

Why is coordination between tissues and organ systems necessary for an animal's survival?

What is the primary function of the two major systems for coordinating and controlling responses to stimuli?

How does the endocrine system convey information to target cells?

What is a key advantage of the nervous system's use of chemical signals?

What is the primary function of the endocrine system in terms of the body's overall physiology?

How do the endocrine and nervous systems differ in terms of signal type?

What is the duration of the effects of hormones in the body?

Why is the nervous system well suited for directing immediate and rapid responses to the environment?

What is the primary function of the endocrine system in terms of the body's overall physiology?

How do nerve impulses travel through the nervous system?

What is a key advantage of the nervous system's transmission of information?

What is the primary function of the nervous system in terms of the body's overall physiology?

What is the primary purpose of the coordination and control systems in animals?

How do hormones act on target cells?

What is unique about the signaling pathways used by the endocrine and nervous systems?

How do hormones released by the endocrine system affect cells?

What is a common goal of the endocrine and nervous systems?

What is a key difference between the endocrine and nervous systems?

What is an example of coordination of activity in an animal?

What determines which cells respond to a particular hormone?

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