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Lady_Fox [76]
3 years ago
8

Structural Difference between the heart and the lung

Biology
1 answer:
coldgirl [10]3 years ago
7 0

Answer:

Heart is a muscle with 4 chambers while lungs is an organ and exists in pair

Explanation:

Heart is a form of muscle which has 4 chambers namely The right ventricle, the left ventricle, the left atrium, and the right atrium responsible for pumping blood while the lung are organs responsible for respiration or breathing. They have tiny sacs called alveoli and are found in pair.  

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The body monitors the levels of oxygen in the blood to regulate breathing. Isabel is running in a marathon and is near the finis
Nataliya [291]

The chronological order of the response brought about by the nervous system is as follows.


1. Sensory receptors in the arteries detect low oxygen levels.

2. Sensory neurons generate an impulse.

3. The central nervous system relays an impulse to certain brain regions.

4. The brain sends signals through motor neurons.

5. Isabel's breathing rate increases.


The response to a stimulus is called a reflex action and the pathway traveled by the reflex action is called the reflex arch. A reflex action is an automatic involuntary response to a stimulus which minimizes any damage to the body. During conditions of low levels of oxygen in the body, the receptors detect the stimulus of low oxygen levels which could pose a threat to the individual and sensory neurons generate an impulse. It reaches the central nervous system and then the brain. In turn, brain sends signals through the motor neurons that carry a message and help in increasing the breathing rate of Isabel.

6 0
4 years ago
Does a candle need homeostasis?
BaLLatris [955]

Answer:

Yes

Explanation:

The candle can’t burn out so it can’t get to much fuel or it will dye and it can’t run out or it will die it also needs to have enough oxygen to survive

4 0
4 years ago
PLEASE HELP ME !!!!!
nignag [31]

Answer:

1. negatively charged ion

Explanation:

6 0
3 years ago
Read 2 more answers
Does hot water tend to rise or sink? Explain.
Mademuasel [1]

Answer:

When fluids (liquids and gases) are heated, they expand and therefore become less dense. Any object or substance that is less dense than a fluid will float in that fluid, so hot water rises (floats) in colder water.

Explanation:

When you heat up water, the water molecules start moving around faster and faster. ... So hot water is less dense than cold water. When you put the two together with the hot water on the bottom, the hot water rises to the top.

Please mark me as brainlist if it is helpful.

5 0
2 years ago
Sort each of the following descriptions into the most appropriate bin based on whether it accurately describes a cofactor, a coe
Alex777 [14]

Answer:

(1) It is known as a prosthetic group as heme consist of a protoporphyrin ring and a central iron atom. A prosthetic group is a specific non-polypeptide unit which is required for some protein's biological function.

(2) Coenzyme.

(3) It is known as an example of a cofactor as it is not a permanent part of the enzyme.

(4) It is known as a prosthetic group as it is permanently attached to the enzyme.

(5) Coenzyme-A.

(6) Cofactor.

(7) Cofactor.

6 0
4 years ago
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