Which of following movements occur during exhalation?
The diaphragm and intercostal muscles relax
The thoracic cavity increases in volume
The diaphragm and intercostal muscles contract
The diaphragm contracts and the intercostal muscle relax
Correct answer is A
No explanation has been provided for this answer.
In adult mammalian blood, the cells which lack nuclei are the
erythrocytes
lymphocytes
leucocytes
phagocytes
Correct answer is A
No explanation has been provided for this answer.
The heart of the adult frog consists of
two auricles and two ventricles
one auricle and one ventricle
two ventricles and one auricle
one ventricle and two auricles
Correct answer is D
No explanation has been provided for this answer.
a large volume of surface area ratio
a large surface area to volume ratio
their bodies immersed in the nutrients
their outer membrane made of cellulose
Correct answer is B
No explanation has been provided for this answer.
Regulation of blood sugar level takes place in the
pancreas
ileum
liver
kidney
Correct answer is A
The pancreas produces the hormone, insulin, and secretes it into the bloodstream, where it regulates the body's glucose or sugar level. The islets of Langerhans are responsible for regulating blood glucose. They are groups of specialized cells in the pancreas that make and secrete hormones.