Blood homework

A Watch the video and complete the gaps.

1 Blood is actually a ___________ of cells suspended in a slightly-yellowish __________ called
plasma.

2 Plasma is __________ up mostly of water, but it also contains ___________, sugars, hormones and
___________.

3 RBC make up __________ of your blood. They’re round and look a little like a _______________ .

4 Their main job is to ____________ oxygen to the other cells of the body and to take away the
carbon dioxide as a ____________ product.

5 RBC only live for __________, but healthy bone marrow produces __________ RBC every hour.

6 WBC fight infection from __________, __________, all those nasty ___________ that can cause
disease.

7 When at last they find the invader _______________, they quickly move in for the kill.

8 Platelets are small pieces of _______________ or cytoplasm whose job it is to plug ______________
in a vessel’s walls.

9 Platelets form a plug that stops the loss of blood within _______________ minutes.

10 A platelet plug will last for only ___________________ hours.


B Complete the mind map with words from the box:

red blood cells / homeostasis / albumins / biconcave disc / bone marrow / transport nutrients /
haemoglobin / monocytes / defend against diseases / plasma / leukocytes / spleen / phagocytes /
inflammatory reaction / water / platelets / haematopoiesis / eosinophils / oxygen / nucleus /
haemostasis / globulins / antibodies



C Reading the blood count results:

Haematology lab report

Full blood count (FBC)

                      Value

                           Range

                                    Unit

Haemoglobin (Hb)

                      143

                           115-165

                                    g/L

Haematocrit (HCT)

                      0.224

                           0.37-0.47

                                    L/L

Mean cell volume (MCV)

                      72.5

                           78.0-98.0

                                    fL

White cell count (WCC)

                      7.4

                           4.0-11.0

                                    10^9/L

Complete the sentences describing the results of the report above:

1 Haemoglobin is ____________ ____________ _______________, one hundred and forty-three ________
litre.

2 Haematocrit is ______________, 0.224 __________ ______________ litre.

3 Mean cell volume is _______________, 72.5 ___________.

4 White cell count is _____________, 7.4 ______________________________________________