Fill in the blanks: The condition in which skin turns blue due to excessive amount of deoxygenated blood in the body is termed as ___________________.

Fill in the blanks: The condition in which the heart beat decreases is called ___________________.

A condition in which heart is not pumping the blood effectively to meet the requirements of the body is

Fill up the blanks A to C correct comnination which A act as --B-- messengers and are produced in ------C---amounts.

Fill in the Blank. Blue litmus paper turns…..colour in tamarind solution.

Fill in the blanks: Carotid artery carries ________________ blood to anterior region of the body.

The diagram shows the heart with its main blood vessels Which blood vessels carry oxygenated blood to the body tissues and deoxygenated blood away from the body tissues ?

Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fills up the blanks in two statements. (A)Wings of butterfly and bird look alike and are the results of (i), evolution. (B) Miller showed that CH_(4), H_(2), NH_(3) , and (1) when exposed to electric discharge in a flask resulted in formation of (ii) (C) Veriform appendix is a (i) organ and an (ii) evidence of evolution. (D) According to Darwin evolution took place due to (i) and (ii) of the fittest.

FILL IN THE BLANK …..connects arteries with veins and distribute the blood to the body parts.

Fill up the blanks A to D with correct combination of term.Insulin is a-A-Hormone,which plays a major role in the regulation of -B-homeostasis major acts mainly on -C- and -D-