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What is homeostasis? Can you use a couple of examples to explain the difference between positive vs negative feedback?

DEFINITION Homeostasis = the maintenance of a constant internal environment Every process in the body that occurs in everyday life, such as keeping the heart beating, changing from sleep to wakefullness, tal...
JT
Answered by Jasmine T. • Biology tutor
8032 Views

How does Christina Rossetti use language in "Goblin Market" to promote the theme of sensation?

In "Goblin Market" Christina Rossetti uses simile, and sense words to highlight the theme of sensation. In the first stanza, the description of different fruits intially indicates a relation to the...
KW
12756 Views

A right angle triangle has a base of √8 and a height of (√10+3). Show that the area is equal to 2√5+3√2.

The area of a triangle is equal to 1/2 x base x height , so we can write the equation for this question as: Area = 1/2 x √8 x (√10+3) We can then simplify √8 by writing it as its factors; √8 + √4√2 , which e...
EH
Answered by Elizabeth H. • Maths tutor
4560 Views

How does the heart pump blood around the body

The heart is divided into four chambers: the right atrium, right ventricle, left atrium and left ventricle [insert diagram]. The right side of the heart pumps blood to the lungs. The left side of the heart p...
RL
Answered by Rosanna L. • Biology tutor
9291 Views

solve the simultaneous equations 3x+7y=18 and 7x+9y=8

3x+7y=18 (eqn 1) -multiply by 7-> 21x+49y=126 (eqn 1*) 7x+9y=8 (eqn 2) -multiply by 3-> 21x+27y=24 (eqn 2*) (eqn 1*)-(eqn 2*) --> 22y=102 therefor y=51/11 sub in this y value back into (eqn1) -->...
RS
Answered by Radhika S. • Maths tutor
4091 Views