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3 years ago

Which statement best describes how the structure of the alveoli allows the lungs to function properly

Biology

1 answer:

zlopas [31]3 years ago

8 0

Out of the following given choices;

a. they increase the amount of energy transferred from the lungs to the blood

b. they increase the flexibility of the lungs as they expand during inhalation

c. they increase the volume of the lungs, allowing more oxygen to be inhaled

d. they increase the surface area of the lungs, allowing the efficient gas exchange

The answer is D. Due to their microscopic nature, they are numerous in the lungs and are also circular-shaped so as to increase the surface area for gaseous exchange. Other characteristics of alveoli that increase gas exchange are that they thinned-walled (with only a layer of cells) and moist.

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Consider the following situations: (1) a magnesium atom and two chlorine atoms join together to form a molecule of magnesium chl

katrin2010 [14]

Answer:

two carbon atom and six hydrogen atoms join together to form ethane.

Explanation:

Which scientist developed the idea that microorganisms can cause diseases? Paul Ehrlich

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3 years ago

your frien d runs out of gas and you have to help push his car. discuss the sequence of b ones and joints that convey the forces

MaRussiya [10]

<h2>Upper limb,Pectorial girdle and Axial skeleton</h2>

Explanation:

Upper limb-

The muscles of the upper appendage can be divided into 6 distinct areas such as pectoral, shoulder, upper arm, front lower arm, back lower arm, and the hand
There are 4 muscles of the pectoral locale pectoralis major, pectoralis minor, serratus foremost and subclavius

Pectorial girdle-

The shoulder girdle or pectoral girdle is the arrangement of bones in the attached skeleton which interfaces with the arm on each side
In many of the it comprises of the scapula and clavicle
In many species have three bone found in the shoulder, it connected of the coracoid and clavicle and scapula

Axial skeleton function-

The pivotal skeleton underpins and ensures the mind, spinal rope and huge numbers of the interior organs
It likewise gives locales to the connection of different bones and muscles in the body and shields the nerves and veins from the cerebrum and spinal line.

7 0

3 years ago

The total number of organisms an ecosystem can support is its tolerance range. True or false

Monica [59]

Answer;

The above statement is false

The total number of organisms an ecosystem can support is its carrying capacity.

Explanation;

-Carrying capacity is the average population density or population size of a species below which its numbers tend to increase and above which its numbers tend to decrease because of shortages of resources.

-For a given region, carrying capacity is the maximum number of individuals of a given species that an area's resources can sustain indefinitely without significantly depleting or degrading those resources.

The carrying capacity is different for each species. in a habitat because of that species’ particular food, shelter, and social requirements.

6 0

2 years ago

Read 2 more answers

8(b)(i). Diagram 8.2 shows part of the Periodic Table. State the type of element for P. *

chubhunter [2.5K]

Answer:

Phosphorus

Phosphorus is a chemical element with the symbol P and atomic number 15. Elemental phosphorus exists in two major forms, white phosphorus and red phosphorus, but because it is highly reactive, phosphorus is never found as a free element on Earth.

Explanation:

Brainliest?

6 0

2 years ago

Biology help with this please

hram777 [196]

Vacuoles

Explanation:

Vacuoles are storage vessels within the cell that store nutrients and waste products. It does not have a role in ATP production. So, the answer is VACUOLES...

HOPE IT HELPS YOU... PLS MARK BRAINLIEST

7 0

2 years ago