Biology Topic Practice

Components of Blood

Blood is a tissue consisting of plasma, in which the red blood cells, white blood cells, and platelets are suspended.

What is the function of platelets?

What is Components of Blood?

"Blood is a specialized body fluid in animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells."

Question 1

Which answer best completes the statement? ____ tissue is made of hollow tubes that transport water

Question 2

A student thinks that stents are used to thin the blood. Why is this incorrect?

Question 3

Choose the correct option to complete the statement. Enzymes have an ____ that fits a specific substrate

Question 4

Which answer best completes the statement? Proteases break down proteins into ____

Haematological Components

Plasma: Liquid that transports CO2, hormones, and waste products.

Red blood cells: Contain haemoglobin to carry oxygen; no nucleus to make more room.

White blood cells: Part of the immune system; produce antibodies/antitoxins.

Platelets: Tiny fragments that help the blood to clot at a wound.

Exam Tip

Red blood cells have a biconcave shape, which increases their surface area for oxygen absorption.

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