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Georgia [21]
3 years ago
14

How is the surface area to volume ratio maximized in lungs?

Physics
1 answer:
s344n2d4d5 [400]3 years ago
8 0
There are branches on the lungs making it resemble a tree. These branches have sacs called alveoli that look like grape bunches. The combination of branching and alveoli maximize lung surface area.<span>
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Choose all the answers that apply.
Salsk061 [2.6K]
"Asteroid" is the name we give to the huge number of small bodies
that orbit the sun, here in the inner solar system.

Their orbits are scattered all over the place.  Most of them spend
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6 0
3 years ago
Read 2 more answers
What is the restoring force of a spring with a spring constant of 4a and a stretched displacement of 3b? A. –7 ab B. `-7 a/b ` C
algol13

Answer:

C. -12 ab

Explanation:

The restoring force on a spring is given by Hooke's law:

F=-kx

where

k is the spring constant

x is the stretched (or compressed) displacement of the spring

In this problem we have:

k = 4a

x = 3b

Substituting into the equation, we find:

F=-(4a)(3b) = -12 ab

And the negative sign means that the direction of the force (negative) is opposite to the direction of the displacement (positive).

3 0
3 years ago
What's true about the elliptical path that the planets follow around the sun?
sattari [20]

Answer:

well, it is not a solid path and thats a teeny tiny fact

5 0
2 years ago
Which shared property belongs in the region marked "B"?
NNADVOKAT [17]
The properti that you didnt share
4 0
3 years ago
I drop an egg from a certain distance and it takes 3.74 seconds to reach the ground. How high up was the egg?
OverLord2011 [107]

Answer:

68.5 meters

Explanation:

Given:

v₀ = 0 m/s

a = 9.8 m/s²

t = 3.74 s

Find: Δy

Δy = v₀ t + ½ at²

Δy = (0) (3.74) + ½ (9.8) (3.74)²

Δy = 68.5

The egg fell 68.5 meters.

7 0
3 years ago
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