Which of the following organs is a part of the circulatory system? A. liver B. kidney C. stomach D. heart​

Answers

Answer 1

Answer:

The heart would be the answer

Answer 2

Answer:

(D) Heart

Explanation:


Related Questions

Internal adaptations only apply to animals. Plants do not have internal adaptations.
true or false
pls help

Answers

False

Explanation:

I know and i am in 11th grade

How does a rain shadow affect the weather?

Answers

Answer:

A rain shadow is a patch of land that has been forced to become a desert because mountain ranges blocked all plant-growing, rainy weather. On one side of the mountain, wet weather systems drop rain and snow. On the other side of the mountain—the rain shadow side—all that precipitation is blocked.

Explanation:

The atmosphere of Earth is made up of nitrogen, oxygen, water vapor, carbon dioxide, methane, nitrous
oxide, and ozone. Of these, 99% of the atmosphere is composed of:

Answers

Answer:

Nitrogen and oxygen account for 99 percent of the gases in dry air,

What landform will this erupting volcano make? A) a delta B) a valley C) a canyon D) a mountain

Answers

The answer is D I believe

Research on animals is not relevant to people because animals are different from people.

A. True
B. False

Answers

The answer is FALSE.
A.) True


The pain , the suffering, and deaths of animals are not worth the possible human benefits.

Carbon that is stored for millions of years is found in the form of

Answers

Answer: They can be found in Fossil Fuels

Explanation:

When animals die, they release carbon which goes into the ground and when it's stored for so long it turns into fossil fuels :)

Answer:

most is stored in rocks the rest is ocean plants soil atmosphere and fossil fuels.

Explanation:

Why is it important that the seedling’s true leaves grow quickly?HURRY IM BEING TIMED

to help disperse seeds to areas where they can grow
to shield the seedling from too much water or rain
to protect the seedling from receiving too much sunlight
to make food for the seedling’s continued growth

Answers

Answer:

The correct answer is - to make food for the seedling’s continued growth.

Explanation:

The true leaves that emerge from the seedlings are the leaves that are capable of performing photosynthesis and start generating food and energy. These support the plant for the rest of its life in terms of food and energy.

Seedlings grow from the soil, two leaves in beginning called cotyledons that are not the true leaves and not able to perform photosynthesis and generate their food for the seedling’s continued growth.


Can you please help me with this...

Answers

Answer:

A. Asexual

Explanation:

I majored in Biology

hello please help i’ll give brainliest

Answers

Atmosphere is the correct answer!

Answer: Atmosphere

Explanation: It isthe envelope of gases surrounding the earth and protect it

HELP PAST DUE AND NO WEBISTES/ FAKE LINKS

your own words: how does the temperture affect the denisty of the water? DO NOT COPY AND PASTE FROM THE INTERNET OR YOUR REPORTED!

Answers

Answer:

When a certain amount of water is heated up, it expands, increasing in volume changing the density. This goes for when it’s heated or cooled; the density then changes.

How dose uv light affect folate

Answers

Answer:

(UV) radiation is with recent research showing that UV radiation has the capacity to degrade folate in human blood and skin.

Explanation:

fossils of marine organisms hi in the Andes mountains lead Darwin to conclude that???

Answers

Answer:

its C

Explanation:

the answer is c, great geologic change can happen over long periods of time

Which of the following is lost to the environment as heat so that it cannot be continually recycled?
Group of answer choices

oxygen

nitrogen

phosphorous

energy

Answers

Answer:

Energy

Explanation:

Many chemical reactions release energy in the form of heat, light, or sound. These are exothermic reactions. Exothermic reactions may occur spontaneously and result in higher randomness or entropy (ΔS > 0) of the system. They are denoted by a negative heat flow (heat is lost to the surroundings) and decrease in enthalpy (ΔH < 0). In the lab, exothermic reactions produce heat or may even be explosive.

GIVING AWAY 14 POINTS PLEASE HELP ME ON THIS QUESTION ASAP!!!!

Answers

Answer: i think its B or C

Answer: B

Explanation: Hope this help :D

If fertilization occurs which layer does the egg burrow into
a.myometrium
b.perimetrium
c.endometium

Answers

According to the research, the correct option is c, If fertilization occurs the egg burrows into endometium.

What is endometium?

It is the tissue that covers or upholsters the uterine cavity whose function is to receive the fertilized egg when pregnancy occurs, that is, it allows the implantation of a fertilized egg, which will later transform into a new being.

For the endometrium to carry out its function, it has to undergo a series of morphological and functional modifications linked to the secretion of hormones by the ovaries so that at the time of greatest receptivity, the endometrium has the thickness and the nutrients necessary for a correct interaction with the embryo.

Therefore, we can conclude that according to the research, the correct option is c, If fertilization occurs the egg burrows into endometium.

Learn more about endometium here: https://brainly.com/question/13019368

#SPJ1

Which of the following groups of people be the least affected by air pollution?

Answers

Answer:

The group which would be the least affected by air pollution are C. teenagers. This is because their respiratory systems have already been established and are quite strong because they are still young and healthy. People with asthma already have troubles breathing, so obviously air pollution is going to be a problem.

Explanation:

Hope it helps :)

Some cells have structures called chloroplasts, which contain the green pigment chlorophyll.

a) Explain the role of chloroplasts in these cells.

b) Name two things from the environment that chloroplasts must have to perform this
role.

Answers

Answer:

Chloroplasts convert light energy to chemical energy to supply food to the plant through a process called photosynthesis

Water and Sunlight

if environmental conditions change over time it’s most likely a population of organisms in the environment will survive if...

Answers

the answer is “there is genetic variation within the population”

Melting ice sheets increase the volume of water in the oceans and reduce the salinity of water. How would this affect:

a) sea animals in polar regions?
b) coastal areas already at sea level?

Answers

Answer:your answer is B

Explanation:

In the polar regions if the water goes onto shore it would freeze adding to the icy land and giving sea animals an advantage as all the sea animals would be at the to of the sea level giving a better attack on prey. as in Coastal area it would flood the area causing and flood.

Match the position to the closest estimation of its current career outlook.
agricultural engineer
landscape architect
agricultural managers
loss of more than 5 percent
:: growth of more than 15 percent
growth of less than 10 percent

Answers

Answer:

can you rephrase your question im not understaind it, if you can i can answer it for you

Explanation:

List any organisms that lack tissues

Answers

Answer: Of all the branches of complex animals, sponges are the only group lacking TRUE TISSUE.

Explanation:

HELP BRO PLEASE



What is a major threat facing Intertidal zone ecosystems?

the mysterious disappearance of phytoplankton

exceptionally high or low tides

habitat destruction caused by hurricanes

pollution caused by human activities

Answers

Answer:

I believe it's the second one.

50 points welp
Mums are plants that bloom in the fall.

Which statement describes the photoperiodism of mums?

They bloom when the days are longer.
They bloom when the nights are longer.
They bloom when the temperatures are warmer.
They bloom when the temperatures are colder.

Answers

Answer:

They bloom when the nights are longer.

Answer:

2. They bloom when the nights are longer

Explanation:

Photoperiodism means the reaction to length of a day or night cycle, since fall is the beginning of shorter days and longer nights, it is only reasonable that the answer is that They bloom when the nights are longer.

Explain why index fossils are important.

Answers

Answer:

Index fossils are used by geologists and palaeontologists as significant aids to determine the correlation and age of rock formations. Geologists use large fossils or macrofossils and microscopic fossils or microfossils as indices to define and identify geologic periods.

Explanation:

all plant bodies(root,stem and leaf) are externally covered by epidermis but why woody plant is covered by barks​

Answers

Answer:

Bark comprises all the tissues surrounding the xylem in woody plants. Broadly, bark includes an inner and mostly living region and an outer, dead one. Of all plant structures, bark has the most complex anatomical structure and ontogenetic origin involving two (and often three) different meristems.

As to why, the bark adds layers to the inside ring of the vascular cambium, the outside is pushed outward. The cells die off, and the fibrous matrix of cellulose and lignin molecules remain. This hard structure forms the bark, and protects the tree or plant from many forms of damage.

The process that moves bits of rock or soli from one place to another Mark only one oval

Answers

Answer:

erosion

Explanation:

hope this helps

:)))

which era was the paleozoic era

Answers

Answer:

541 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago with the end-Permian extinction, the greatest extinction event in Earth history.

source- Britannica

Explanation:

HELP ILL MSrk u brainly

Answers

Phenotype for LL would be the dominant trait shape for the ear. Phenotype for Li would also be the dominant trait shape. Then for ii the phenotype would be the recessive option. The probability for LL is 50% probability for Li is also 50% and for ii it would be 0% based off what you have shown. Sorry I don’t know what the exact name for the recessive and dominant shape of the ear shape

Answer:

The percentage can also be represented by a fraction

50% - 2/4

50% - 2/4

0% - 0/4

lungs and capillaries both have porous linings that allow certain substances to move into or out of the structures. Which function do these porous linings most likely serve in living organisms?
A. heat release
B. gas exchange
C. carbohydrate absorption
D. osmotic pressure regulation

Answers

Answer:

B. Gas exchange

Explanation:

because the lungs bring air into your body, it needs a way to transfer the oxygen into your blood stream.

Luckily for us, our lungs have porous linings, which will help the oxygen go directly into our blood stream.

The porous structure of the  blood capillaries and lung tissue allow the them to exchange gas

The porous structure of the lungs allow to exchange gas from the gas in the blood. Blood capillaries are tiny blood vessels in the body.

The gas in the blood was collected from the tissue from the body parts which is made possible because of the porous lining of the blood capillaries.

Therefore, the porous structure of the  blood capillaries and lung tissue allow the them to exchange gas.

To know more about blood capillaries,

https://brainly.com/question/3439501

Your immune systems main function is?

A. Takes in oxygen and removes carbon dioxide and water

B. Allows organisms to reproduce preventing their species from becoming extinct

C. Fights off foreign invader

D. Transport materials to and from cells

Answers

The answer is C. Fights off foreign invader
C fight off foreign invader, the immune systems is like to fight off different sickness
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