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How is the lung adapted for gaseous exchange?

The lung consists of one cell thick bronchioles, which feed into round structures called alveoli, which are round in shape and also one cell thick. The bronchioles and...

TD
Answered by Thomas D. Biology tutor
10821 Views

A curve is defined by the parametric equations x = 3 - 4t, and y = 1 + 2/t. Find dy/dx in terms of t.

At first glance, this looks quite tricky, as usually when we are asked to find dy/dx, we have one equation, but here we have 2.So in this case, we need to use the statement that dy/dx = (dy/dt) * (dt/dx)T...

WM
Answered by Wesley M. Maths tutor
10545 Views

What is the integral of (6x^2 + 2/x^2 + 5) with respect to x?

When we think of integration, we should be thinking of the same method every time; adding one to the power, and then dividing by that new power.The integral of the sum of each of these terms is equal to t...

WM
Answered by Wesley M. Maths tutor
8081 Views

Evaluate the view that religious beliefs and organisations are barriers to social change. (20 marks)

This question requires students to present theories/ perspectives that argue that religion prevents social change or maintains how things currently are in society. Students should first address the view i...

IP
Answered by India P. Sociology tutor
23832 Views

What is clonal selection?

Clonal selection is a part of human immune response where specific B or T-helper lymphocytes are chosen to undergo clonal expansion

B-lymphocytes and T-helper lym...

OM
Answered by Oliver M. Chemistry tutor
46311 Views

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