Human Respiratory and Reproductive Systems Overview

carbon dioxide

The gas that is breathed out in the largest quantity.

nasal septum

A piece of cartilage that divides the nose into a right and left side.

hiccups

Spasms of the diaphragm.

apnea

The term used when there is no breathing.

dyspnea

The term used for difficult or painful breathing.

biological death

Irreversible brain damage that occurs when the brain is deprived of oxygen for too long.

ovary

Considered a gland.

obstetrician

A doctor who delivers babies.

sperm

Produced in the male testes.

epididymis

The structure where sperm is stored and where it matures.

urethra

The structure that carries urine from the bladder to the tip of the penis.

foreskin

The region of the penis that is removed during a circumcision.

ovulation

The release of an egg that occurs every 28 days (approximately).

cervix

The region of the uterus that has a narrow outlet that protrudes into the vagina.

endometrium

The layer of the uterus where the fertilized egg implants.

renal arteries

Blood reaches the kidneys by these arteries.

renal cortex

The outer layer of the kidney.

oliguria

The condition of producing abnormally small amounts of urine.

dysuria

Painful or difficult urination.

hematuria

Presence of blood in the urine.