Transport systems - animals test questions - National 5 Biology Revision

1

Which blood vessels in the diagram carry blood away from the heart?

A mammalian heart with four labels 1 to 4. Number 1 points to the blood vessel carrying deoxygenated blood from the body. Number 2 points to the vessel carrying deoxygenated blood to the lungs. Number three points to the vessel carrying oxygenated blood to the body and number four points to the vessel carrying oxygenated blood from the lungs.

1 and 4

2 and 3

3 and 4

2

Into which chamber of the heart does blood flow from the pulmonary vein?

Left atrium

Left ventricle

Right ventricle

3

Which vessel carries blood from the heart to the lungs?

Pulmonary artery

Pulmonary vein

Vena cava

4

Which of the following shows the correct direction of blood flow through the chambers of the heart?

\[\text{left\,atrium}\to\text{left\,ventricle}\to\text{right\,ventricle}\to\text{right\,atrium}\]

\[\text{left\,atrium}\to\text{right\,atrium}\to\text{left\,ventricle}\to\text{right\,ventricle}\]

\[\text{right\,atrium}\to\text{right\,ventricle}\to\text{left\,atrium}\to\text{left\,ventricle}\]

5

Which type of vessel carries blood at the highest pressure?

Capillaries

Arteries

Veins

6

Which type of blood vessel contains valves?

Artery

Capillary

Vein

7

Which of the following characteristics of red blood cells is correct?

1. They have a biconcave shape.

2. They have no nucleus.

3. They have a cell wall.

Answer 1 is correct

Answers 1 and 3 are correct

Answers 1 and 2 are correct

8

What is the function of white blood cells?

Carrying oxygen

Destroying pathogens

Carrying carbon dioxide

9

What happens to a pathogen during phagocytosis?

It is engulfed

It is digested

It is engulfed and digested

10

What type of cell produces antibodies?

Phagocyte

Lymphocyte

Egg cell