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"Hormon Regulation" Regulation of Human Life Activities PPT Courseware 3
Class quiz
1. In the nervous system, the way of conducting excitement is ( )
A. Nerve impulses B. Chemical substances
C. Hormone D. Blood transmission
2. Among the following physiological activities, which one is a reflex? ( )
A. Paramecium escapes the stimulation of salt
B. The hand will suddenly retract when it encounters fire.
C. The skin gradually agglutinates after bleeding.
D. The skin turns black after being exposed to the sun for a long time
3. The basic way of human neuroregulation is ( )
A. Reaction B. Stress
C. Reflection D. Conditioned reflex
4. Among the following neural activities, which one is a complex reflex ( )
A. Blink reflex B. Urination reflex
C. Hand withdrawal reflex D. Shivering
5. The effector of the neural structure involved in reflex activity is: ( )
A. Efferent nerve endings and the muscles and glands they innervate
B. Efferent nerve endings
C. Muscles and glands
D. Afferent nerve endings
1. Endocrine glands secrete hormones
The concept of hormones:
Hormones are chemicals secreted by endocrine glands that have special effects on the body.
Very small content
It plays an important regulatory role in the body's metabolism, growth and development, and reproduction.
Use your brain
The human body has many types of hormones.
Recall old knowledge: From which organs in the human body are male hormones and estrogen produced?
Learn new knowledge: Which organs are other hormones produced from?
ANALYSE information
Experiment 1: The thyroid gland of tadpoles was destroyed and it was found that the tadpoles stopped developing and could not develop into frogs.
Experiment 2: Based on the first experiment, thyroid hormone was put into the water of the breeding tank, and it was found that the tadpoles with damaged thyroid gland developed into frogs again.
Experiment 3: Putting thyroid hormone in the water where normal tadpoles are raised will cause the tadpoles to turn into frogs in advance, but the frogs are only the size of flies.
Compare "dwarfism" and "creature"
Similarities: All patients have been ill since childhood and are all short in stature.
difference:
Dwarfism: normal intelligence and fertility
Cretinism: mental retardation, underdevelopment of reproductive organs
Consolidation exercises
1. The endocrine gland that secretes growth hormone is ( )
A. Thyroid B. Thymus
C. Pituitary gland D. Adrenal gland
2. In which of the following structures are the endocrine glands that secrete insulin located? ( )
A. Thyroid B. Pancreatic islets
C. Pancreas D. Liver
3. The soil and food in some areas are deficient in iodine. Before liberation, people living in these places were susceptible to the disease ()
A. Endemic goiter B. Hypothyroidism
C. Hyperthyroidism D. Dwarfism
4. Which of the following statements is incorrect ( )
A. The symptoms of endemic goiter are neck enlargement, difficulty breathing, rapid heartbeat during labor, and shortness of breath.
B. Patients with endemic goiter are mainly caused by iodine deficiency
C. Regular consumption of iodine-rich seafood such as kelp and seaweed has a good effect on preventing and treating endemic goiter.
D. Patients with endemic goiter secrete more thyroid hormones.
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