What are chemical messengers?

One Line Answer

Endocrine glands control and coordinate the body functions through secreting certain chemical messengers called hormones.

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Chapter 16 Plant and Animal Hormones
Evaluation | Q VII. 5. | Page 241

Put a tick mark (✓) against the correct alternative in the following statement:

The emergency hormone to face the danger or to fight is secreted by:

Multiple choice question. Tick (✓) the correct choice:

Insulin is secreted by

Fill in the blank:

Adrenal glands are present above _________.

What are hormones? Give examples.

Iodine is necessary for the synthesis of which hormone?

Dwarfism results due to deficiency of which hormone?

What are hormones?

With the help of an example, explain how does the feedback mechanism regulate the hormone secretion.

Regulation of activities inside the body are brought about by ______ and ______ systems.

Choose the odd one out from series and write the category of the remaining terms: