Biology

Question 1

1The function of the trachea is to

Easy

A. pump blood B. carry food to the stomach C. filter urine D. carry air to the lungs

Question 2

2The largest artery in the body is the

Easy

A. aorta B. carotid artery C. pulmonary artery D. vena cava

Question 3

3The organ that produces bile is the

Easy

A. pancreas B. liver C. stomach D. gall bladder

Question 4

4Saliva contains the enzyme

Easy

A. pepsin B. lipase C. amylase D. trypsin

Question 5

5The pulmonary artery carries

Easy

A. lymph B. blood to the liver C. oxygenated blood to the body D. deoxygenated blood from the heart to the lungs

Question 6

6Peristalsis is

Hard

A. chewing B. absorption C. wave-like muscle contractions moving food along the gut D. enzyme action

Question 7

7Blood leaving the small intestine travels to the liver through the

Hard

A. hepatic portal vein B. hepatic artery C. renal vein D. aorta

Question 8

8Digested food is absorbed into the blood mainly through the

Easy

A. stomach wall B. oesophagus C. villi of the small intestine D. large intestine

Question 9

9Mammals have a double circulation, meaning blood passes through the heart

Easy

A. once in each circuit B. three times C. twice in each complete circuit D. only when exercising

Question 10

10Bile helps digestion by

Easy

A. digesting proteins B. emulsifying fats into small droplets C. absorbing water D. killing all bacteria