Which part of the respiratory system is where oxygen enters the bloodstream?

Answers

Answer 1
It’s the Alveoli in the lungs

Related Questions

Please help me ????!!!!

Answers

Answer:

1. Form Bonds 2. True

Explanation:

I need help please???

Answers

Answer:

The first one is called longitudinal wave .

the longish point is , i think 1

Where is the heart situated in the body and vertebrates ?​

Answers

Answer:

The Heart is situated in the Left side of the body

Anyone wanna help me ???????

Answers

Answer: Wave height

Please add the missing term:
Species -> Population -> Community
-> Ecosystem -> Biome ->
A. Ecology
B. Life Bubble
C. Hydrosphere
D. Biosphere
Copyright 2003 - 2021 Acellus Corporational

Answers

Answer:

Biosphere hope its a good one

What is the process of
evaporation?

A. The process in which plants release vapor into
the atmosphere

B. Any process that returns water from the
atmosphere to the earth

C. The process in which liquid water turns to
water vapor

Answers

The answer to your question is C

All the following are ways by which animals help to sustain the carbon cycle except
A when they die, they decompose to release carbon atoms
B. feeding directly or indirectly on plants C. drinking water from streams and ponds
D. breathing ​

Answers

Answer:

Option(C): drinking water from streams and ponds

¿Qué afirmación(es) es(son) correcta(s)?:
a) El dióxido de azufre de la quema de carbón en centrales
eléctricas protege contra la lluvia ácida.
b) Los óxidos de nitrógeno de las emisiones de combustión
provocan el aumento del pH en el agua de lluvia.
c) Una solución ácida de dióxido de carbono en agua de lluvia se
llama lluvia ácida.
d) El dióxido de azufre junto con los óxidos de nitrógeno son las
principales causas de la lluvia ácida.

Answers

Explanation:

jwjejeueuru4ibwsbbefbrvbrbebdbfhhdhdhdbdbdfbd3 eebdddd

Which purpose is the main function of the light-dependent reactions of photosynthesis?

Answers

Answer:

The overall purpose of the light-dependent reactions is to convert light energy into chemical energy. This chemical energy will be used by the Calvin cycle to fuel the assembly of sugar molecules. The light-dependent reactions begin in a grouping of pigment molecules and proteins called a photosystem.

The light-dependent reactions convert light energy into chemical energy. The goal of the light-dependent reactions of photosynthesis is to collect energy from the sun and break down water molecules to produce ATP and NADPH. These two energy-storing molecules are then used in the light-independent reactions.

Explain how a scientist can determine when a particular species of dinosaur lived on Earth.

Answers

Answer:

by fossil dna

Explanation:

it is too easy for a sciencetist

Which of the following is a type of adaptation that animals can have?

Physical characteristics
Behaviors
Life cycle differences
I and II
I and III
II and III
I, II, and III

Answers

Correct answer is I and II

Answer:

Second option

Explanation:

I and II

what is erythrocytopenia?​

Answers

Answer:

Medical Definition of erythrocytopenia

: deficiency of red blood cells. — called also erythropenia.

Explanation:

If you like my answer than please mark me brainliest thanks

Explanation:

erythrocytopenia is deficiency of RBCs

what is counter current mechanism?​

Answers

“The mechanism that the kidneys use to concentrate urine is called the counter current mechanism.”

Help anyone ????? Please

Answers

Answer:

It is wavelength

Explanation:

wavelength is defined as the minimum distance at which a wave repeats itself

and at the point of compression (where the wave lines are so close to each other) is when another wave starts

1. Wavelength
2.compression
3. Rarefraction

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What variable should Anurag change in his experiment

Answers

Answer:

For geological carbon sequestration, the reaction of aqueous CO2 with silicate rock permits carbonate formation, achieving permanent carbon sequestration.A

Explanation:

Which of the following is NOT a prokaryote?
A. E. Coli
B. Fungi
C. Bacteria
D. Archaea

Answers

Answer:

Option B : Fungi

Explanation:

As,

Fungi is a eukaryote not a prokaryote

what is the feature of the eye and it's parts​

Answers

Answer:

1. Cornea

2. Pupil

3. Iris

4. Conjunctiva Glands

5. Lacrimal Glands

Answer:

The cornea, a clear window at the front of the eye, covers the iris and the pupil. A clear lens, located behind the pupil, acts like a camera lens by focusing light onto the retina at the back of the eye. The retina is a light-sensitive inner lining at the back of the eye.

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Explain briefly the forces that govern the upward movement of water and dissolved
mineral salts in plants.
tom of classification.

Answers

Answer:

The continuous evaporation of water (or transpiration) from the cells of a leaf crates a kind of suction which pulls up water through the xylem vessles. Thus, transpiration helps in the upward movement of water and dissolved minerals from the roots to the leaves through the stem.

Which of the following enzymes works best at acidic pH ?
1.Amylase
2.Lipase
3.Trypsin
4.Protease​

Answers

pepsin enzyme works best at acidic pH. This is the right answer but it's not in your options.

I am very sure that its answer is pepsin

What is the frequency of a wave that has a wavelength of .20 m and a speed of 22 m/s

Answers

Answer:

110 Hz

Explanation:

Find the frequency of the wave using the formula, frequency = speed / wavelength.

Plug in the speed and wavelength, and solve:

frequency = speed / wavelength

frequency = 22 / 0.2

frequency = 110

So, the frequency of the wave is 110 Hz

Help ASAP PLEASE HELP FAST

Answers

Answer:

I THINK ITS A) ACTIVE TRANSPORT REQUIRES ENERGY

I HOPE ITS RIGHT IF NOT THEN SORRY HAVE A GREAT DAY :)

Answer:

Active transport differs from passive transport in that active transport requires energy

Which statement applies only to the axial skeleton not the appendicular skeleton

Answers

It protects the heart and lungs

Students set up a controlled experiment. They put five
crickets in each of three identical containers. They set one
container to 15°C, one to 20°C, and one to 25°C. Then they
count the number of cricket chirps in each container
during 1 hour
What are two constants in this experiment?
A. The number of crickets in each container
B. The number of cricket chirps
O C. The kind of containers used
D. The temperature of each container

Answers

OK so one container is 50°C and the other one is 20°C and the other one is 25°C then the number of crickets is in each container.

Answer:

well, what I got was wrong.

Explanation:

for me A. the kind of containers used was wrong along with c. the number of crickets together. a and c was incorrect for me. so it would probably maybe be b. the temperature of each container with d. the number of crickets in each container?

The following offspring were observed from many crossings of the same pea plants. What genotypes were the parents?
465 purple axial flowers
152 purple terminal flowers
140 white axial flowers
53 white terminal flowers
a) PpAa x PpAA
b) PpAa x PpAa
c) PpAa x ppAA
d) PPAA x ppaa
e) PPaa x ppAA

Answers

Answer:

a

Explanation: the genotype is the same

Cross between same pea plants for many generations having genotype PpAa x PpAa because after crossing over parents character having a large number of phenotype in offspring, hence a is the correct option.

What is a genotype?

The term "genotype" ranges to an organism's genetic makeup, in other words, it describes an organism's whole gene. The term can also be used to refer to the alleles, or variant forms of a gene, that an organism carries in a more specific meaning.

When crossing of particular traits having genotype PpAa x PpAa because after crossing over parents' character having a large number of phenotypes in offspring.

The genotype of a person is their own DNA sequence. More specifically, the two alleles a person inherited for a particular gene are referred to using this term.

Therefore genotype parents  PpAa x PpAa offspring have a large number of traits the same as parents and a low number of new traits.

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Why do producers (plants) have an opportunity to thrive after wildfires?

Answers

Answer:

Thick bark.  

Trees in fire-prone areas develop thicker bark, in part, because thick bark does not catch fire or burn easily. It also protects the inside of the trunk

Fire-induced sprouts.  

This fire-survival strategy allows for the complete destruction of above-ground growth

When an outbreak of foot and mouth disease is discovered among livestock in a country, what is MOST likely the chosen way to control it?

Answers

Answer:

You can get infected with hand, foot, and mouth disease if you have the virus on your hands and then touch your eyes, nose, or mouth. To lessen your chance of getting sick, don't touch your eyes, nose, and mouth with unwashed hands.

You can get infected with hand, foot, and mouth disease if you have the virus on your hands and then touch your eyes, nose, or mouth. To lessen your chance of getting sick, don't touch your eyes, nose, and mouth with unwashed hands.

What are the mechanism that use to resist the antimicrobial agents?

There has been several mechanisms, like resistance to antimicrobial agents, encapsulation or secretation of proteins that affects and might destroy the phagocyte along with some leukocytes in our body perform phagocytosis as a defense mechanism against the pathogenic bacterium.

These phagocytes contain lysosomes, intracellular granules that possess bactericidal substances. When the phagocyte ingests the pathogen, a phagosome is formed, which merges with the lysosome, forming the phagolysosome, which is where toxic substances and enzymes kill the ingested microorganism.

There are several mechanisms by which a microorganism can survive this process as resistance to antimicrobial agents. Some bacteria use phenolic glycolipids from their cell wall, to eliminate toxic oxygen compounds.

Therefore, You can get infected with hand, foot, and mouth disease if you have the virus on your hands and then touch your eyes, nose, or mouth.

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what is the difference between standing crop and standing state?​

Answers

Answer:

Explanation:

Standing crop is the biomass or living matter of biotic components of an ecosystem at a particular time. It represents the entire living matter (biomass). ... Standing state can be defined as the amount of inorganic nutrients found in an ecosystem. It represents the part of non-living matter.

Answer:

Standing crop is the biomass or living matter of biotic components of an ecosystem at a particular time. It represents the entire living matter (biomass). ... Standing state can be defined as the amount of inorganic nutrients found in an ecosystem. It represents the part of non-living matter.

Explanation:

yuh im smart, def didnt use g00gle


HELP ASAP PLEASE HELP HELP FAST

Answers

Answer:

it's amylopectin, since it has many ends and also branches that are joined by alpha-1,6- glycosidic bond

The two most important environmental factors affecting animals are __________ and __________. edtell

Answers

Explanation:

The two most important environmental factors affecting animals are biotic and abiotic.

Hope it helps you! \(^ᴥ^)/

The two most important environmental factors affecting animals are biotic and abiotic.

What is the Environment?

The environment may be defined as anything which is present in the surrounding of a living organism. The term environment was given by Carlyle.

Biotic factors include producers which are autotrophic in nature. Herbivores, Carnivores, omnivores, decomposers, parasites, etc.

Abiotic factors are generally long-lasting environmental conditions such as temperature, light, rain, fire, winds, etc., and topographic factors like mountains, hills, plains, desert, etc.

Therefore, the two most important environmental factors affecting animals are biotic and abiotic.

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Which characteristic of a dog is inherited?


Barking

Doing tricks

Walking on a leash

Whining for food

Answers

Answer:

Barking is inherited characteristic of dog.

Explanation:

They inherit that from their ancestors.

Barking
The other is learn
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