Transport systems - animals

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.

2

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

3

Which vessel carries blood from the heart to the lungs?

4

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

5

Which type of vessel carries blood at the highest pressure?

6

Which type of blood vessel contains valves?

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.

8

What is the function of white blood cells?

9

What happens to a pathogen during phagocytosis?

10

What type of cell produces antibodies?