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lara [203]
4 years ago
5

Many scientists suggest that billions of years ago life on earth began with

Biology
1 answer:
choli [55]4 years ago
6 0
Many scientist believe the life started after a big bang
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The two primary muscles used for breathing are the diaphragm and​ the:
denis23 [38]
Intercostal Muscles

The muscles of respiration are muscles that contribute to exhalation and inhalation by causing the contraction and expansion of the thoracic cavity. However, diaphragm is the main muscle of breathing while intercostal muscles is one of the most important muscles for respiration. Intercostal muscles function by manipulating the width of the rib cage and they are attached between the ribs.


6 0
3 years ago
Why is it important to follow strict safety procedures when handling a urine sample
xz_007 [3.2K]

Because you could easily contaminate the results of the urine if you don't follow exactly what the strict rules dictate This could be a very dangerous thing because if you contaminate the results, then other doctors would think that the patient has some disease that needs to be taken care of which in reality they do not. The patient could also have to go through things or waste money on things that they don't need to because there was something in the urine that wasn't supposed to be there which was added because they didn't follow the strict rules. Then the doctor who contaminated it could be sued for malpractice which is never a good thing.

7 0
3 years ago
What would be the estimated maximal heart rate for a 40-year-old?
stepladder [879]

Answer:

180 beats per minute.

Explanation:

<em>Hope This Helps!</em>

3 0
3 years ago
What does a heterotroph mean?
Lelu [443]

Answer:

An animal that cannot make its own food.

Explanation:

A heterotroph is an animal or life source that cannot make its own food, so it depends on others things, such as plants or other animals. These types of listings can be as followed :

Carnivores

Herbivores

Omnivores

7 0
3 years ago
The maximum number of years a human can live is called:.
ivolga24 [154]

Lifespan is an indicator that measures the average of the maximum number of years a human can live.

<h3>What is lifespan?</h3>

It is the number of years that a newborn can live according to the standard of mortality by age of the population of its country.

In other words, it is a concept that only makes sense for one generation and is obtained as part of a mortality table that refers to the average number of years that a person is expected to live after birth.

Therefore, we can conclude that lifespan is an indicator that measures the average of the maximum number of years a human can live.

Learn more about lifespan here: brainly.com/question/11445304

#SPJ1

3 0
2 years ago
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