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The endocrine system acts on the body through the release of HORMONES
Which endocrine gland works together with the hypothalamus? Pituitary
What does the endocrine system control? Both daily activities and long term changes in the body
Why do hormones cause changes in only specific organs if the messages are being sent to the entire body? Hormones will only act with target cells which fit that hormone
Which gland regulates the release of energy during respiration(metabolism)? Thyroid
Which gland regulates the response to emergency situations? Adrenal
What hormones regulate the menstrual cycle? estrogen and progesterone
What organ regulates the sugar in our blood through the production of insulin? pancreas
What do we call a fertilized egg? zygote
Where does a fertilized egg develop? Uterus
An egg develops in an ovary and the uterus prepares for the arrival of a fertilized egg during the menstrual cycle
What do we call a fertilized egg for the first 9 months? (Hint: 3 terms) Fertilized egg is called zygote. After implantation its called an embryo for the first 8 weeks. Then its called a fetus from 9 weeks until its born.
Nutrients and oxygen from the mother pass to the developing embryo through a membrane called the placenta
What does the word delivery mean? When the baby comes out of the mother's body
What leaves the mother's body after the baby? (We call it the "afterbirth") placenta
Where are sperm produced? testes
Eggs are produced in the ovaries
Human being have ________ fertilization and _____________ development. Internal/internal
What process creates sperm and egg? meiosis
What is the difference between identical twins and fraternal twins? Identical twins are formed from one sperm/one egg. Fraternal twins are formed from two separate eggs being fertilized by two different sperm.
Created by: cwalczak