Blood and its components

Blood and its components

Multiple Select

Blood is a mixture of

• red blood cells

• white blood cells

• platelets

• straw coloured liquid called plasma

Multiple Select

What is the function of plasma? Select 2 answers.

• medium where glucose, amino acids, hormones and carbon dioxide are dissolved

• transport dissolved nutrients, hormones and carbon dioxide around the body

• Transport oxygen around the body

• Produce antibodies

Red blood cell

Multiple Choice

The shape of the red blood cell is known as the

• donut shape

• mochi shape

• biconcave disc

• flattened disc

Multiple Choice

The protein in red blood cell which binds to oxygen is called

• oxygenated cell

• haemoglobin

• demoglobin

Multiple Choice

The function of red blood cell is to

• transport oxygen around the body

• create oxygen for the body

• transport carbon dioxide around the body

Multiple Choice

How is red blood cell adapted for its function?

• It is red in colour

• It has no nucleus so that there is more space to carry oxygen

• There is no cell membrane so that there is more space to carry oxygen

White blood cell

Multiple Choice

White blood cells are responsible for our

• immune system

• nervous system

• digestive system

Multiple Choice

White blood cells produce _______________ to defend against pathogens (bad bacteria) and viruses in our body.

• antibiotics

• painkiller

• antibodies

Multiple Choice

Some white blood cells can engulf pathogens. They do so by

• eating them

• phagocytosis

• swallowing them

Multiple Choice

Do white blood cells contain nucleus?

• Yes

• No

Platelets

Multiple Choice

Platelets are responsible for

• immune system

• production of antibodies

• blood clot