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Textbook Vocab. Pg. 437-479

7th Grade Period 5 and 6
Across
The amount of energy it takes to raise the temperature of 1 kg of water by 1 degree Celsius.
Automatic responses to a signal.
System specialized in detecting, processing and responding to information
Process by which new organisms are produced.
System that exchanges gases between the body and the environment.
Female gametes
System whose organs include skin, hair and nails.
Steady internal conditions when external conditions change.
System includes tongue, esophagus, liver, stomach, large and small intestines.
System made up of the heart, blood and blood vessels.
A type of white blood cell that is made in the thymus, the spleen, or the bone marrow.
Human reproductive cells
System that releases hormones that cause the body to change.
System that removes solids, liquid and gas waste materials from the body.
System that allows the human body to move.
Down
The resistance to specific pathogens, or disease causing agents.
Chemical signals released by the organs of the endocrine system
Basic units of the nervous system
The cell that forms when a sperm cell fertilizes an egg cell
The hard outer layer of bone
A sperm joins with an egg in a reproductive process.
System that protects internal organs, provides support, helps the body move and stores minerals.
Groups of organs that work together and perform a specific task.
Parts of food that are used by the body to survive and grow.
Male gametes
Is the interior region of bone that contains many tiny holes.
System the spleen, the thymus, bone marrow, and lymph nodes belong to.