The passage describes hormones and homeostasis in the human body.
Complete the passage by writing a suitable word in each blank space.
Hormones are chemical messengers produced by endocrine [1] ____________\text{\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore}____________ and secreted into the [2] ____________\text{\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore}____________ to be transported to target organs.
The pituitary gland produces a hormone called [3] ____________\text{\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore}____________ hormone (ADH), which regulates the water balance of the body by acting on the [4] ____________\text{\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore}____________.
The thyroid gland produces the hormone [5] ____________\text{\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore}____________, which controls the rate of the body's chemical reactions, known as the [6] ____________\text{\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore}____________ rate.
In situations of sudden danger or stress, the adrenal glands secrete the hormone [7] ____________\text{\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore}____________. This hormone increases the heart rate and stimulates the conversion of stored glycogen back into glucose in the [8] ____________\text{\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore}____________ and [9] ____________\text{\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore\textunderscore}____________ cells to prepare the body for action.
26 exam-style questions on Edexcel IGCSE Biology Co-ordination and response. Each one has a worked solution and a mark scheme showing where the marks go.