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2 years ago

Arteries carry blood away from the heart. True False

Biology

1 answer:

shutvik [7]2 years ago

6 0

Answer:

True

Explanation:

The arteries (red) carry oxygen and nutrients away from your heart, to your body's tissues. The veins (blue) take oxygen-poor blood back to the heart. Arteries begin with the aorta, the large artery leaving the heart. They carry oxygen-rich blood away from the heart to all of the body's tissues.

I hope this was helpfull

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The rate at which the concentration of a drug in the bloodstream decreases is proportional to the concentration at any time t. I

Westkost [7]

Answer:

$C(t) = C_oe^{-kt}$

Explanation:

From the given information:

At any given time (t), let c(t) represent the concentration of the drug present in bloodstream.

Deriving the equation:

$\dfrac{dC}{dt}$ decrease proportionally to Concentration C

i.e

$\dfrac{dc}{dt} \alpha - C$

$\dfrac{dc}{dt} = -k C$

$\dfrac{dc}{c} = -k dt$

$\int \dfrac{dc}{c} = -k \int dt$

㏑(C) = -kt + λ

where,

λ is the integration constant.

Integrating at t = 0, concentration of blood = Co g/mL

C(0) = Co

㏑(C₀) = 0 + λ

λ = ㏑(C₀)

From ㏑(C) = -kt + λ

㏑(C) = -kt + ㏑C₀

㏑(C) - ㏑C₀ = -kt

$\dfrac{C}{C_o} = e^{-kt}$

$C(t) = C_oe^{-kt}$

∴

The concentration of drug in blood at any time t is:

$C(t) = C_oe^{-kt}$

4 0

2 years ago

Please answer this for me

8090 [49]

Answer:

Im pretty sure its A the phagocytes.

Explanation:

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2 years ago

A patient is in need of hydration. Which type of solution are the patient’s cells most likely in

Reil [10]

A patient is in need of hydration. Is likely in a hypertonic solution.

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2 years ago

The bicep muscle has an attachment point at the shoulder and one in the upper forearm. Look at these images of the bones of the

Lerok [7]

The answer is A.
If the bicipe muscle contracts it will bring the forearm up because the insertion of this muscle is in the forearm.
One of the functions of this muscle is flexing the elbow, which would result in the action i already mentioned.
It couldn't be B, because that would be the work of another muscle, the triceps.

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3 years ago

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Some cells contain two copies of each chromosome, and some cells contain only one copy of each chromosome. Which types of cells

jek_recluse [69]

I think it is skin cells and blood cells because sperm and egg cells are haploid, so they only have one copy. I’m honestly not 100% sure tho

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2 years ago