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4 years ago

The lining of air sacs in the lungs

Biology

2 answers:

user100 [1]4 years ago

5 0

Within the lungs,the bronchi into smaller bronchi and even smaller tubes called bronchioles.

a_sh-v [17]4 years ago

3 0

<span>The answer is: simple squamous epithelium.</span>

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Your heartbeat, digestion, and pupil dilations are ________ processes regulated by the ________ nervous system. A. involuntary;

irina [24]

Answer: Option B

Explanation:

Involuntary functions of the body system; processes taking place in the body that is done without conscious efforts such as digestion, bloodflow, the heartbeat are controlled by the autonomic nervous system which is a part of the peripheral nervous system.

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4 years ago

a solar eclipse occurs when positions of the sun, the moon, and earth are such that one of these objects is between the other tw

oksian1 [2.3K]

The moon and the sun

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4 years ago

The most common fossils are of: vertebrates invertebrates bacteria plants

Nat2105 [25]

Answer:

Invertebrates

Explanation:

Most of the fossils belong to invertebrates. Invertebrates make around 95% of all the animal species. Invertebrates do not have bones that are present in vertebrates. The soft body parts of invertebrates form impressions and their exoskeletons and shells also form fossils. Bones of vertebrates are scattered after the death of the organisms and makes their fossils rare.

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3 years ago

Based on the dosages a patient receives, what level of precision should a syringe have to ensure that the patient receives the p

Ymorist [56]

It is very important to make sure you are giving your patient the right dosages because overdose can be fatal or lead to illness. So it is very important to make sure you are putting the right dosage in the syringe.

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3 years ago

Read 2 more answers

A pea plant purebred to produce round yellow peas is crossed with a plant purebred to produce wrinkled green peas. Round pea sha

krok68 [10]

Answer:

1 out of 16 or 1/16

Explanation:

Let:

R = Round seed r = wrinkled seed

Y = Yellow seed y = green seed

Starting from the parent generation or the P generation, the genotype of the parents would be:

RRYY x rryy

This is because the cross is between a parents that are "purebred" for specific traits. This means that the parents are homozygous for the traits which in genotype form is represented by either two capital letters or two lower case letters.

Attached is the F1 generation results between a cross between the P generation.

As you can see the genotype of all the offsprings is RrYy.

Now also below is the cross between the F1 generation offsprings.

For recessive traits, it is only expressed when the dominant gene is not in the genotype, or in other words, the genotype is all in small letters. Since we are looking at two traits, you need to look for how many squares out of the total have all lowercase letters.

There is only 1 rryy out of the 16 predictions. So the answer would be 1/16.

6 0

3 years ago