Fight-or-flight reaction cause activation of:

the adrenal medulla, leading to increased secretion of epinephrine and norepinephrene

the parathyroid glands, leading to increased metabolic rate.

the kidney, leading to suppression of renin angiotensin-aldosterone pathway.

the pancreas leading to a reduction in the blood sugar levels.

The posterior pituitary gland is not a 'true' endocrine gland because

It only stores and releases hormones

It is under the regulation of hypothalamus pressure pulling at the lung walls.

E M B I B E

Biology Crash Course NEET>Chapter 22 - Chemical Coordination and Regulation>Level 3>Q 25

EASY

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IMPORTANT

Earn 100

Select the option that correctly identifies A to E in the given flow chart.
Islets of Langerhans

$A$	$B$	$C$	$D$	$E$
$α$	$β$	Glucagon	Hyperglycemia	Hypoglycemia

$A$	$B$	$C$	$D$	$E$
$β$	$α$	Cortisol	Hypoglycemia	Hyperglycemia

$A$	$B$	$C$	$D$	$E$
$β$	$α$	Cortisol	Hyperglycemia	Hypoglycemia

$A$	$B$	$C$	$D$	$E$
$β$	$α$	Glucagon	Hypoglycemia	Hyperglycemia

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Important Questions on Chemical Coordination and Regulation

EASY

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IMPORTANT

Biology Crash Course NEET>Chapter 22 - Chemical Coordination and Regulation>Level 3>Q 26

Observe the given figures and select the option that correctly identifies the labels A, B, C and D.
Question Image

MEDIUM

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IMPORTANT

Biology Crash Course NEET>Chapter 22 - Chemical Coordination and Regulation>Level 3>Q 27

Match the hormones in column I with their functions in column II.

Column I	Column II
A. FSH	1. Prepare endometrium for implantation
B. LH	2. Develops female secondary sexual characters
C. Progesterone	3. Contraction of uterine wall
D. Estrogen	4. Development of corpus luteum
	5. Maturation of Graafian follicle

MEDIUM

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IMPORTANT

Biology Crash Course NEET>Chapter 22 - Chemical Coordination and Regulation>Level 3>Q 28

Assertion: Diabetes insipidus is marked by excessive urination and too much thirst for water.

Reason: Antidiuretic hormone (ADH) is secreted by the posterior lobe of the pituitary.