Term
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Definition
the chemicals that are made by endocrine glands |
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Term
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Definition
cells that recognize a hormones chemical structure. ONly certain hormones can attach to certain target cells |
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Term
Role of the Endocrine System |
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Definition
Controls many of the body's daily activities and long term changes such as developement |
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Term
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Definition
the process that the body uses to turn the hormones on and off. If the level of the hormone gets too high, then the gland stops producing it. If the level gets too low, then the gland turns back on. |
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Term
How do hormones and target cells work together? |
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Definition
Only certain target cells can work with certain hormones. |
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Term
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Definition
When a sperm and an egg join. |
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Term
How many chromosomes does a sperm have? |
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Definition
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How many chromosomes does an egg have? |
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Definition
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Term
How many chromosomes does a person have? |
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Definition
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Term
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Definition
when an egg is released from an ovary |
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Term
What is the male sex cell? |
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Definition
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What is the female sex cell? |
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Definition
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Term
Where are sperm produced? Eggs? |
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Definition
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Purpose of the male reproductive system |
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Definition
Make testosterone, make sperm, and help the boy develop into a man |
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Term
Purpose of the female reproductive system |
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Definition
Make estrogen and progesterone, make egss, nourish a baby until it is born, turn a girl into a woman |
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Term
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Definition
Testes -> Vas deferens -> urethra -> out of the body |
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Term
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Definition
Ovary -> Fallopian tubes -> uterus -> out of the body if the egg is not fertilized |
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Term
What occurs during the menstrual cycle? |
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Definition
The lining of the uterus gets thicker, and an egg is released. If the egg is not fertilized, then she will start her "period" and shed the lining of the uterus. |
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Term
How long is the menstrual cycle? |
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Definition
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Term
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Definition
The process of inheriting genes from parents |
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Term
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Definition
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Term
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Definition
The gene that is always seen in an organism. |
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Term
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Definition
The gene that is hidden by a dominant gene if it is presend. |
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Term
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Definition
long chain molecules that make up chromosomes |
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Term
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Definition
Different forms of the same gene |
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Term
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Definition
a segment of DNA that has information about a specific trait. |
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