do my brain quiz?
1: Adrenaline increases the heart rate, blood pressure, and blood supply to skeleton muscles, increases the conversion of glycogen to glcose and stimulates the rate of metabolism.
True
False
2: Gonads, the ovaries in females and the testes in males, are the gamete-producing organs of the body. They also produce a group of steroid sex hormones.
True
False
3: There are two separate glands located at the top of each kidney.
True
False
4: The sensory receptor is the first element in the sensory pathway.
True
False
5: Neurotransmitters such as acetylcholine and serotonin are always stimulatory.
True
False
6: There are only two types of nerves, sensory nerves and mixed nerves.
True
False
7: The nervous system is divided into the central nervous system (CNS) which is composed of the brain and spinal cord and the peripheral nervous system (PNS) which includes all the nervous tissue outside of the central system.
True
False
8: Nerves are given their white appearance by the myelin sheath that is found around each nerve fiber.
True
False
9: The surface of the brain is smooth.
True
False
10: Reflexes are automatic, involuntary responses to changes occurring inside or outside the body
True
False
Comments
1)True, the fight or flight response
2)True, they produce estrogen(ovaries), testosterone (testes)
3)True, the adrenal medulla and adrenal cortex
4)True
5)False, neurotransmitters can also be inhibitory depending on the receptor.
6)True, a nerve can have both motor and sensory nerves
7)True
8)True
9)False, it is convoluted
10)True
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