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Science
Chapter 17 Reproduction, Growth, and Development
| Question | Answer |
|---|---|
| Endocrine System | The endocrine system is a system of different gland that produces and release hormones that influence the body. |
| Define hormones | A chemical that acts as messages in the body. |
| The _________ of the endocrine system are all _______ that produce and release ______________ to influence the body. | organs / glands / hormones |
| hypothalamus | links the brain with the nerves system, it makes special hormones that act like switches to turn the glands on and off. |
| pituitary gland | produces a hormone that controls your bodies process, example : growth hormone. |
| thyroid | produces a hormone that controls how fast you body burns food to produce energy. |
| pancreas | produces a hormone that helps the digestive system by producing and secreting insulin and glucagon. |
| adrenal gland | produce a hormone that helps you cut in a stressful situation, example : adrenaline and epinephrine. |
| ovaries | only in females. Most women have two overies. Their job is to release the hormones called estrogen. This helps women reach maturity. |
| testes | only in males. Most men have two testes. Their job is to release a hormone called testosterone. This helps men reach maturity. |
| What transports the hormones produced by the endocrine system throughout the body? | circulatory system |
| As humans approach the age of ten to fourteen, their ____________ signals their bodies to produce sex ________ according to their gender. These hormones cause the person's bodies to change. This change or phrase of life is called _______. | hypothalamus / hormones / puberty |
| Males produce a _____, gamete. | sperm |
| Females produce an ____ or single egg. | ovum |
| What is the goal of the reproductive system from a biblical perspective? | We could fulfill an important part of the Creation Mandate pro-creation. |
| The first structure of the reproductive system is ______. | gonads |
| The second structure of the reproductive system is _______. | overies |
| The third structure of the reproductive system is ______. | testes |
| The forth structure of the reproductive system is ______. | uterus |
| It takes __ weeks of pregnancy for a human life to develop from a single cell into an adorable newborn. This period is split into three stages called _________. | 40 / trimester |
| The _____ _________ (weeks 1-13) brings many changes. After the baby attaches to its mother, an organ called the ________ develops. This is where the baby gets nourishment from the mother without the mixing of blood. | first trimester / placenta |
| The ______ ________ (weeks 14-27) is when the baby can suck his thumb, make faces, and leave fingerprints. At sixteen weeks the baby is about to be the size of a pear. | second trimester |
| The _____ ________ (weeks 28-40) is when the baby is growing hair and opening and closing his eyes. At thirty-four weeks the baby is about the size of a cantaloupe. | third trimester |
| At what period of life are people the strongest physically? | Late teens, early twenties |
| What is a person's teen years known as? | adolescence |
| gonads | The main organ of the reproductive system that produce gametes. In the female this is called the overies. In the male this is called the testes. |
| overies | Females have two overies that alternate to produce one ovum each month. |
| testes | Males have two testes that produce a sperm. Other structures produce semen, a fluid that nourishes and protects the sperm. |
| uterus | This female organ nourishes and protects a developing baby. What an ovum is fertilized, it moves to the uterus. Where it attaches and grows until it is big enough to live on its own. |
Created by:
Emma Cheshire