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labwork [276]
3 years ago
14

Achalasia is a disorder that prevents food from traveling to the stomach. It occurs when the lower part of the

Biology
1 answer:
stealth61 [152]3 years ago
7 0

Answer:

digestive system

Explanation:

The lower esophageal spinsters do not function when person is affected frm Achalasia resulting esophagus closure and food cannot get in instead comes backwards.

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An infectious disease is one that is caused by
Mashutka [201]

Answer:

pathogens

Explanation:

pathogens may occur in various way e.g spread from a person to person by directly body contact

6 0
3 years ago
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Cells are the building blocks for organs and large organ systems, such as the respiratory system. How does your investigation su
atroni [7]

Answer:

Explanation:

An organism is a body which is made up of many organ systems and parts. Organs constitute these organ systems. Then we will notice that these organs are made up of different types of tissues. Tissues are further analyzed under microscope to see millions of cells. By increasing the magnifying power, we can see that the cells are made up of further small molecules called atoms.  

So starting form atom leads to further steps and development steps, an organism is formed. Atoms combine to form cells and each cell in the body perform the same function as our body as a whole perform. No smaller components can perform important functions of body other than cells. That’s y cells are known to be as the fundamental unit of life.  

8 0
3 years ago
A newborn baby dies soon after birth because her diaphragm and rib cage muscles failed to contract and she was unable to breathe
kozerog [31]

Answer:

Troponin

Explanation:

This is a complex of three proteins  (Trop C, I, T) that are responsible for muscle contraction of  the skeletal and cardiac  muscles . its binds with protein tropomysin  to lie in the grove between the actin filaments.  its prevents contraction by blocking  myosin crossbridge  in a relax muscles.Inorder to aid contractions  calcium ions binds with troponin, which leads to confrontational change.This exposes myosin on actin filaments,  leading to formation of crossbridge and therefore contraction of muscles.

Therefore if there is  a mutation in the gene that encoded Troponin, as explained above, calcium ion  will not be able to bind with tropinin, and there will be no exposure of myosin on actin filaments, no binding of  myosin on actin to cause crossbridge, and consequently no  muscle contraction,

Thus the intercoastal  muscle and diaphragm will not contract leading to death of the baby.

8 0
3 years ago
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What is true about biogeochemical cycle?
Elden [556K]

Answer:

Biogeochemical cycle is one of the several natural cycles, in which conserved matter moves through biotic and abiotic parts of a ecosystem. In biology, conserved matter refers to the finite amount of matter, in the forms of atoms, that present within the earth.

Explanation: It is true that the chemical is one of the natural cycles within earth

8 0
3 years ago
What is the name of the tube that connects the nose to the lungs?
VashaNatasha [74]
It's called t<span>he trachea.</span>
6 0
3 years ago
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