Log in
Sign up for FREE
arrow_back
Library

Year 10 DSCI Blood

star
star
star
star
star
Last updated about 1 year ago
9 questions
4
Question 1
1.

Blood consists of cells and plasma.

Plasma transports various substances to and from different parts of the body.
Describe the function of plasma in transporting named substances in the body.

1
Question 2
2.

Name the structure labelled A in the diagram.

2
Question 3
3.

Describe the function of this cell in defending the body from infection.

1
Question 4
4.

Other white blood cells produce proteins called antibodies.

State how you could test a sample of plasma for protein.

Human blood cells have different roles within the body.
1
1
1
Question 7
7.

Some people have a condition called anaemia, in which the blood contains less haemoglobin. This alters the percentage of each layer.

Describe how a blood sample from a person with anaemia would differ in appearance from a normal blood sample.

4
Question 8
8.

Explain how white blood cells protect the body from disease.

2
Question 5
5.

Which component does layer P contain?

Question 6
6.

The diagram can be used to estimate the percentage of total blood volume that is made up by each layer.

The estimated percentage of each layer is

Question 9
9.

Name two substances that are transported around the body in plasma.