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5 Written Questions

1. muscular tube that connects the mouth to the stomach
2. the outer layer of skin
3. cerebrum, cerebellum, and brain stem
4. where the blood enters the heart
5. uterus

5 Matching Questions

1. absorbs water from the indigestible materials in the digestive tract
2. number of layers of skin
3. heterozygous
4. arteries
5. testes

1. a large intestine
2. b large, elastic vessels that carry blood away from the heart
3. c a genotype that has two different alleles
4. d 3
5. e produces sperm

5 Multiple Choice Questions

1. cochlea
   1. absorbs water from the indigestible materials in the digestive tract
   2. exchange of oxygen and carbon dioxide occurs in the ___ of the lungs
   3. a snail-shaped structure in the inner ear that is filled with fluid, lined with hair cells, and connected to the auditory nerve
   4. an inorganic substance that serves as a building material or takes part in a chemical reaction in the body
2. combination of sperm and egg nuclei
   1. bile
   2. zygote
   3. synapse
   4. scrotum
3. a solid structure that focuses light on the back of the eyes
   1. tendons
   2. bile
   3. lens
   4. retina
4. the enzyme that begins the digestion of proteins
   1. pepsin
   2. lens
   3. keratin
   4. retina
5. monitors body temperature and responds as necessary to maintain homeostasis
   1. esophagus
   2. epidermis
   3. hypothalamus
   4. zygote

5 True/False Question

1. neuron → the enzyme that begins the digestion of proteins
   

   True        False

2. sacromere → the unit of contraction in the muscular system
   

   True        False

3. breathing is controlled by the chemistry of your blood as it interacts with the __ → alveoli
   

   True        False

4. keratin → what hair and nails are made of
   

   True        False

5. Antidiuretic hormone → stimulates the reabsorption of water in a nephron
   

   True        False