Saved Bookmarks
| 1. |
Question 58: (a) Write the names of five endocrine glands found in the human body. Name the hormones secreted by each gland. (b) How do hormones reach the organs they control ? (c) Name the gland which controls the secretion of hormones from the pituitary. (d) How does our body respond when adrenaline is secreted in large amounts into the blood ? (e) Name the disease which occurs in adults due to the deficiency of iodine in the diet. What is the main symptom of this disease ? Lakhmir Singh Biology Class 10 |
|
Answer» Explanation:A.hypothalamus, pituitary, thyroid, parathyroids, adrenals, pineal body, and the reproductive organs (ovaries and testes).B. The endocrine GLANDS secrete hormones into the bloodstream. Thehormones dissolve in PLASMA and travel through various tissues of the body to circulatory pathways. ... because only those target cells have receptors of that particular hormone. Somehormones bind receptors on the surface of target cells.c.The hypothalamus, which controls the pituitary by sending messages, is situated immediately above the pituitary gland. The pituitary gland is often called the master gland because it controls several other hormone glands in your body, including the thyroid and adrenals, the ovaries and testicles.d.Adrenaline hormone is SECRETED in large amounts when a PERSON is frightened, or mentally disturbed. When it reaches the heart, it beats faster to supply more oxygen to our muscles.e.it causes hypothyroidism.the symptoms are SWELLING in the Neck,Unexpected Weight Gain,Fatigue and Weakness, Hair loss,Dry, Flaky Skin,feeling Colder Than Usual,Changes in Heart Rate,Trouble Learning and Remembering and Heavy or Irregular Periods |
|