Functions

Question 1

Function of the eyelids

Answer 1

Protection to eyeball from injury and drying out

Question 2

Function of eyelashes

Answer 2

Protect eye from dust and debris

Question 3

Function of eyebrows

Answer 3

Protects eyes from moisture and maintain sight

Question 4

Function of lacrimal apparatus

Answer 4

Produce tears to protect eyeball and cornea and to moisturize. Contains lysozyme to kill pathogens

Question 5

Function of extrinsic eye muscles

Answer 5

Control movement of eyeball

Question 6

Function of fibrous tunic

Answer 6

Provides protection and form

Question 7

Function of retina

Answer 7

change light into electrochemical signals transmitted to CNS

Question 8

Functions of the respiratory system

Answer 8

Olfactory, Gas exchange, Venous and lymph return, Ph regulation, Voice production,

Question 9

Function of the pericardium

Answer 9

Protects within thoracic cavity, prevents overfilling of heart, anchors heart with surrounding structures

Question 10

Function of myocardium

Answer 10

Muscular tissue which contracts and relaxes to force blood through heart to body

Question 11

Function of Endocardium

Answer 11

Minimizes friction of blood flow preventing coagulation of blood

Question 12

Functions of blood

Answer 12

Transport - of CO2 and O2 to and from tissues and removal of waste products from cells
Regulation of Ph via blood buffers. body temp and water content
Protection - by haemostasis to prevent excessive blood loss. WBC & antibodies against pathogens

Question 13

Function of Neutrophils

Answer 13

Phagocytose particles and pathogen. respond aggressively to bacteria

Question 14

Function of Lymphocytes

Answer 14

Natural killer T cells. Identify immune respond to antigens

Question 15

Function of monocytes

Answer 15

Turn into macrophages. Act as phagocytes. Invloved in antigen production

Question 16

Function of macrophages

Answer 16

Phagocytose and destroy pathogens

Question 17

Function of eosinphils

Answer 17

Combat parasites and helminths. Involved in allergic response

Question 18

Function of Basophils

Answer 18

Key role in anti-inflammatory

Question 19

Function of vascular spasm

Answer 19

Narrowing of blood vessels to restrict blood flow and prevent blood loss

Question 20

Function of platelet plug formation

Answer 20

Seals damaged area temporarily to prevent blood loss and releases chemicals to clot

Question 21

Function of coagulation

Answer 21

Reinforcement of plug with threads and turns blood from liquid to gel

Question 22

Three Functions of platelets

Answer 22

Release chemicals which increase vasodilation
Form a plug by recruiting additional platelets
Facilitates clot retraction by drawing ends of damaged vessels together

Question 23

Function of the buffer system

Answer 23

To prevent marked/extreme changes in pH