Top answers

How does the pancreas control blood sugar levels?

In humans, the pancreas can sometimes be described as an endocrine gland. This means it releases some of its substances staight into the bloodstream; this is the mechanism used to secrete the hormones contro...
MN
Answered by Madura N. • Biology tutor
7822 Views

What are the main stages stages of mitosis?

IPMAT(C) Interphase - normal cell growth (non mitotic) Prophase Metaphase Anaphase Telophase Cytokinesis (cytoplasm division)
MT
Answered by Miss T. • Biology tutor
4855 Views

Determine a vector expression for the position of a particle whose velocity is (3t^2 - 8)i + 5j m/s.

r (t) = [integral] v (t) dt = (t^3 - 8t + C) i + (5t + C) j m
MT
Answered by Matteo T. • Physics tutor
2599 Views

Find, using integration, the work done in compressing a spring by a distance x.

[integral from 0 to x']dW= [integral from 0 to x'] F( x') dx' =[integral from 0 to x'] kx' dx' = 1/ 2 k x^2 It is a 1-D problem so line integral do not need to be used. At a given instant, let the amount by ...
MT
Answered by Matteo T. • Physics tutor
4710 Views

What is a reflex arc?

A reflex is an involuntary response to a sensory stimulus. The pathway of neurones involved in a reflex is known as a reflex arc. A reflex arc - such as quickly moving your hand away from a hot flame - invol...
SB
Answered by Sundas B. • Biology tutor
16832 Views