Stress is a word in biology and medicine. Stress can be physical or a mental. The word 'stress' can describe a pressure or other force. For example, it can be the pressure of a person's upper teeth or the lower teeth while chewing. 'Stress can also describe an impact when one object hits another. This impact happens more than once. For example, a stress fracture happens when there are repeated impacts on a bone.

In medicine, 'stress' means a living things response to a threat or a change in its environment. This change, or a stressor can be internal coming from inside the living thing- like an illness), or external( coming from something outside the living thing-like an attack. A living thing's stress response can be physical changes happen in the body. It can be mental: changes happen in the mind. Or it can be emotional changes happen to a person's or animal's emotions.

Stress happens every day, and it is part of every living thing's normal life. However, too much

stress can cause many different medical problems. Stress also plays a part in many mental illnesses, like

anxiety.

1) What is the stressor?

a. Anxiety

by nature or a threat

a threat or a change

d. a person's anxiety or a threat

3) Which of the followings is TRUE?

a. Stress is only mental

b. Stress is only physical c. A threat can cause stress

d. A change in the environment can

remove stress

2) Too much stress causes

a. a threat

b. an illness

e. responses d. medical problems

4) Which sentence is FALSE? Stress happens once a day.

b. Stress happens everyday.

c. Stress cause medical problems, d. Stress can be mental.