3 Body Tissues (Blood)

Question 1

What type of tissue is blood?

Answer 1

A type of connective tissue

Question 2

What are the 3 main functions of blood?

Answer 2

the transport network for the body’s cardiovascular system - takes oxygen and nutrients to tissues, and removes waste products from tissue

messenger system: transport of hormones, signalling of tissue damage

immunological functions: circulation of leukocytes and detection of foreign material by antibodies

Question 3

What are the 3 main types of blood cells and their function?

Answer 3

erythrocytes (red blood cells) - contain haemoglobin that facilitates oxygen transport

leukocytes (white blood cells) - part of the body’s immune system. remove old cells and cellular debris, and attack infectious agents

thrombocytes (platelets) - blood clotting

Question 4

What is plasma?

Answer 4

a non living fluid matrix (mostly water)

Question 5

what are the 5 types of blood vessels?

Answer 5

arteries: carry blood away from the heart
arterioles: smaller branches of arteries
capillaries: smallest blood vessels where diffusion takes place between capillary and surrounding tissue
venules: smaller branches of veins, collect blood from capillaries and drain into veins
veins: carry blood back towards the heart