41. There is a muscular organ in a body which rhythmically contracts to force blood around the body. Name the organ?
(a) Kidney
(b) Liver
(c) Heart
(d) all of these
42. Which of the following produce the hormone, concerned with control of body functions?
(a) Endocrine Glands
(b) Heart
(c) Kidney
(d) Liver
43. The major glands are the thyroid, parathyroid, pituitary, adrenal, pancreas, ovary, and testis. Which of the following is the control center for overall coordination of hormone secretion?
(a) Hyperthalamus
(b) Hypothalamus
(c) Hypothyroid
(d) None of these
44. Thyroid hormones determine the rate of general body chemistry. What is the function of adrenal hormones?
(a) Keep control in grown
(b) Store food for emergency
(c) Prepare the organism during stress for ‘fight or flight’
(d) Regulate heartbeat
45. Specialized cells in the islets of Langerhans in the pancreas produce a protein hormone, named as insulin. What does insulin perform in the body?
(a) Regulate heartbeat
(b) Regulate glucose level
(c) Regulate bone growth
(d) Regulate the metabolism of glucose, fats, proteins