Knowledge center. Tetanus (or lockjaw) is a serious infection caused by Clostridium tetani bacteria which produce a toxin that affects the brain and nervous system.
The ovary is an ovum-producing reproductive organ, often found in pairs as part of the vertebrate female reproductive system. Ovaries are oval-shaped endocrine system glands, the group of glands that produce a variety of hormones human body needs to function appropriately.Ovaries are found in females, one on each side of the uterus. An ovum is a female reproductive cell.varies are oval-shaped endocrine system glands, the group of glands that produce a variety of hormones human body needs to function appropriately. Ovaries are found in females, one on each side of the uterus. An ovum is a female reproductive cell.
The ovaries have two functions: they produce eggs (ova) and female hormones. Each month, during the menstrual cycle, an egg is released from one ovary. The egg travels from the ovary through a fallopian tube to the uterus. The ovaries are the main source of female hormones (estrogen and progesterone).