Human Biology IGCSE Exam Questions and Answers

Human Biology IGCSE Exam
Questions and Answers
Vital capacity - ANSWER-Maximum volume of air the lungs can breathe out

Tidal volume - ANSWER-Volume of air breathed on and out in normal breathing

Residual volume - ANSWER-Volume of air left in the lungs after maximum air
breathed out

Spirometer - ANSWER-Measures breathing volumes

Neurotransmitter - ANSWER-Chemical secreted by axon which diffuses across the
gap and binds to the membrane of another neurone

Schistosomiasis/ bilharzia - ANSWER-Schistoma, parasitic worm


Typhoid - ANSWER-Salmonella typhi

Ear ossicles - ANSWER-Malleus, Incus, stapes - amplify vibrations

Cochlea - ANSWER-Snail like thingy

Kidney transplant - ANSWER-Long term solution
Better quality of life
Higher survival rate
Able to work

Kidney dialysis - ANSWER-No side effects
No operation
No risk of rejection
No organ donation needed

Fsh - ANSWER-Follicle stimulating hormone
Pituitary gland
To ovaries to stimulate the release of oestrogen

Lh - ANSWER-Luteinising hormone
Pituitary gland
Stimulates ovulation


Endoplasmic reticulum - ANSWER-Transports proteins

Ribosome - ANSWER-Site of protein synthesis