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kow [346]
3 years ago
8

Why are the lungs made up of these

Biology
1 answer:
STatiana [176]3 years ago
8 0

Answer:

because in a giant air sack, there would be no way for the capillaries to exchange gasses, and we would suffocate

Explanation:

the alveoli can only exchange one molecule at a time, they go from our lungs to our bloodstream and not mixing them up.

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What are two plants whose stems store water?
dlinn [17]
Well, all plants do, but some of the most famous such as the cactus and <span>Mexican Poppies would be found in the deserts.</span>
8 0
4 years ago
Describe the function of an afferent neuron. View Available Hint(s) Describe the function of an afferent neuron. to release neur
Softa [21]

Answer:

to deliver information about the physiological variable to the integrating center

Explanation:

The afferent or sensory  neurons function in  transmitting sensory information as action potential from the receptors to the CNS. It  synapse with the inter neurons, at the spinal cord, for a bypass to the brain for mediation, The response from the brain is integrated (synapse with the efferent neuron) in the spinal cord and conducted by efferent or motor neuron  to the effectors.

4 0
3 years ago
23. When washing tableware in a three compartment sink, the water temperature should be at least ) 90F (32 degrees) 100 degrees
nadya68 [22]

Answer:

The water temperature should be at least 110^{0}F (43^{0} C).

Explanation:

Temperature is a measure of the degree of hotness or coldness of a substance. It is measured either Kelvin, in degree Fanrenheit or Celsius. These scales can be converted from one to another.

To ensure appropriate or proper cleaning of table wares, hot water at required temperature is adviseable for use. This is because most germs can not survive under hot condition, thus they die.

Washing with water of at least 110^{0}F (43^{0} C) temperature in a three compartment sink helps to kill germs on the table ware.

5 0
3 years ago
Which of the following membrane activities require energy from ATP hydrolysis?
Alika [10]

Answer:

C) Na+ ions moving out of the cell

Explanation:

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The first cells that evolved were probably..
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