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Nimfa-mama [501]
3 years ago
8

Think of an object, person, or place at home that functions similar to the cell membrane.

Biology
2 answers:
lawyer [7]3 years ago
8 0

Answer:  A sponge, screen door, your wall, window & door of your house.

spayn [35]3 years ago
4 0

i think its a plant or dog since both of them also have cells

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A person who has very toned muscles likely has.... A.extra nerve cells. B. lots of digestive enzymes. C.tightly packed myofibril
Zarrin [17]

We can confirm that a person with very toned muscles likely has tightly packed myofibrils.

<h3>What are myofibrils?</h3>

These fibers are the protein filaments that cause contractions in the structure of the muscle. Weight training tones muscles by increasing the number of myofibrils in a sarcomere, thus increasing its capacity to produce force.

Therefore, we can confirm that a person with very toned muscles likely has tightly packed myofibrils.

To learn more about muscle fibers visit:

brainly.com/question/1426285?referrer=searchResults

4 0
2 years ago
Impulses originating in the part of the brain called the medulla would most directly affect which body structure?
gtnhenbr [62]

The question is incomplete. The complete question is:

Question: Impulses originating in the part of the brain called the medulla would most directly affect which body structure?

a. A leg muscle

b. A ligament

c. An arm bone

d. The heart

Answer:

d. The heart

Explanation:

The medulla oblongata contains a number of reflex centers for regulating vital body functions such as heartbeat, breathing, and vasoconstriction. The medulla contains several nuclei, a collection of neuronal cell bodies.

For example, impulses originated in the cardiovascular center regulates the rate and force of the heartbeat and the diameter of blood vessels. Impulses from the cardiovascular center flow along sympathetic and parasympathetic neurons. An increase in sympathetic stimulation from the cardiovascular center of medulla increases heart rate and contractility while a decrease in sympathetic stimulation decreases heart rate and contractility.

5 0
3 years ago
Which kingdom has 2 kingdoms that are all unicellular?
dalvyx [7]

Answer: Prokaryotes, archaea, protists, fungi, algae.

Explanation:I don’t think there are any single celled organisms that are today classified as animals. So basically I just left the animal kingdom out. Both metazoans and sponges are for the most part multicellular.

5 0
3 years ago
Read 2 more answers
What is the role of the water test tube in each phase
ElenaW [278]
I need more information
7 0
3 years ago
Which of the following statements is true about the role of oxygen in cellular respiration?
ozzi
It is one of the beginning compounds.

This is the answer for many reasons. First off, it is not one of the ending compounds. It is only the end compound for photosynthesis. Second, it does not react to water as that is yet again photosynthesis. It does not react with carbon dioxide as carbon dioxide is what initially creates oxygen within cellular respiration.

Hope this helps!
8 0
3 years ago
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