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How is the electrical activity of a heartbeat coordinated?

The heart is a muscle made up of myocytes, which can contract without any innervation or coordination. However, it is important that the heart contraction is controlled and regulated in a way which can re...

NS
Answered by Naomi S. Biology tutor
5095 Views

How to expand double brackets?

Use the FOIL method, first, outside, inside, last. 1) F: The first term in the first bracket multiplies the first term in the second bracket. 2) O: The first term in the first bracket jumps outside to mul...

HT
Answered by Hannah T. Maths tutor
3163 Views

What are the differences between meiosis, and mitosis?

Meiosis occurs in the ovaries or testes to produce gametes. Gametes are sex cells such as an egg cell or sperm cell. Four cells are produced by this process and they are non identical. Mitosis occurs thro...

AM
Answered by Amy M. Biology tutor
2536 Views

To what extent should the sanctity of life be preserved?

Life is sacred for many people practising religion especially, as life is God-given and must be preserved. For example, Roman Catholics believe every life is sacred, therefore any practise like abortion i...

FH
1870 Views

How do you determine consumer and producer surplus in a monopoly?

Start of by plotting a demand and supply diagram, indicate the equilibrium. Add in the marginal revenue line because a monopoly produces where MC = MR.

SF
1661 Views

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