SCIENCE REVIEW UNIT 3,4&6

This illness is often caused by sores that form in the lining of the stomach. What kind of illness is this?

• reflux disease

• peptic ulcer

• irritable bowel syndrome

Some common symptoms are:

1. passing gas

2. feeling of fullness

3. vomiting

The symptoms above belongs to …

• gastritis

• reflux disease

• peptic ulcer

Read the statement below!

P. in the mouth, saliva helps digest food.

Q. digestion is completed in the large intestine

R. food is absorbed into the bloodstream in the stomach.

Which statement is true about the human digestive system?

• R

• P

• Q

This illness is often caused by an infection of the digestive tract or food poisoning. What kind of illness is this?

• reflux disease

• peptic ulcer

• irritable bowel syndrome

Not everything that we eat can be digested. The undigested food, together with water and minerals, passes into …

• small intestine

• large intestine

• rectum

The walls of the affected arteries become thick and stiff. this condition is called ...

• hypertension

• anaemia

• arteriosclerosis

It's caused by smoking, a diet high in fat or salt, being overwight and high stress level in our life. What kind of illnessess is this?

• leukaemia

• hypertension

• anaemia

Which is the correct pathway of blood that rich in carbon dioxide?

• lungs—heart—all parts of the body

• heart—lungs—all parts of the body

• all parts of the body—heart—lungs

Which is the correct definition about Pulse?

• the throbbing of the blood vessels because of the contraction of the heart rate

• the throbbing of the blood vessels because of the contraction of the heart muscle

• the throbbing of the blood because of the contraction of the muscle

The food that has similar nutrients of Carbohydrate food is …

• pasta, cassava and sweet potato

• cassava, celery and beans

• sweet potato, radish and lettuce