OCR AS Biology 7

Welcome to your OCR AS Biology 7

Which of the following is not a component of gastric juice?

Which of the following is not a function performed by the small intestine?

What is the major method of food absorption in small intestines?

Which of the following aids in stretching and recoiling of alveolar walls?

Blood in veins is dark red in colour. What does it imply?

The feel of 'pulse' in your wrist is due to ________.

What happens when the blood enters an artery at low pressure?

Capillaries form a network throughout every tissue in the body except ________.

Capillary networks are also called the _________.

What is the function of enzyme pepsin?

Select the incorrect statement regarding the food digestion in colon.

A similarity between arteries and veins.

Which of the following principles is not used by the small intestine for absorption?

What is the function of dipeptidases?

Why are blood samples normally taken from veins rather than arteries?

Which is not an adaptation of small intestine for food absorption?

Tissue fluid is the result of _______.

What is the role of aminopeptidase found in the intestinal juice?

Select the incorrect statement regarding tissue fluid.

Which of the following feature in the veins would help prevent the backflow of blood?