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Endocrine System

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Questions and Answers

Which of the following best describes the paracrine characteristic of chemical messengers?

They are released by endocrine glands

They are secreted into a duct

They are released by nerve cells

They affect other cell types (correct)

What is the main difference between the endocrine system and the nervous system in terms of how their chemical messengers are secreted?

The endocrine system secretes hormones into the bloodstream, while the nervous system secretes neurotransmitters into a duct

The endocrine system secretes neurotransmitters into a duct, while the nervous system secretes neurotransmitters into the bloodstream

The endocrine system secretes hormones into a duct, while the nervous system secretes neurotransmitters into the bloodstream (correct)

The endocrine system secretes hormones into a duct, while the nervous system secretes hormones into the bloodstream

Which of the following is an example of a hormone?

Somatostatin

Epinephrine

Insulin

All of the above (correct)

What is the function of the endocrine system?

Both A and B (C) Signup and view all the answers

What type of tissues have receptors for specific hormones?

Target tissues (D) Signup and view all the answers

Which type of muscle is voluntarily controlled?

Striated muscle (C) Signup and view all the answers

Where is cardiac muscle located?

In the heart (D) Signup and view all the answers

Which connective tissue sheath surrounds each skeletal muscle?

Epimysium (C) Signup and view all the answers

What are the striated transverse bands called in striated muscle?

Striations (A) Signup and view all the answers

What is the main function of the muscular system?

Movement (C) Signup and view all the answers

Which type of muscle is striated and voluntarily controlled?

Skeletal muscle (A) Signup and view all the answers

Where are individual skeletal muscles, such as biceps brachii, located?

Attached to bones (A) Signup and view all the answers

What type of connective tissue covers each skeletal muscle?

Epimysium (C) Signup and view all the answers

Which type of muscle is non-striated and involuntarily controlled?

Smooth muscle (B) Signup and view all the answers

What are groups of muscle cells called?

Fascicles (C) Signup and view all the answers