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exis [7]
3 years ago
14

In fishes, blood enters a chamber called the sinus venosus before entering the atrium and moving into the ventricle. From the ve

ntricle, blood enters the chamber called the _______.
Biology
1 answer:
zavuch27 [327]3 years ago
3 0

Answer:

Bulbus arteriosus

Explanation:

The heart of a fish is a two-chambered organ which works in a single cyclic way but the heart also has the entrance and exit organs.

The deoxygenated blood from the body of the fish is first collected in an entrance structure called sinus venosus from where the blood enters the atrium. The atrium passes its blood to the ventricle and before out of the heart, the blood is collected in a chamber called the Bulbus arteriosus.

The Bulbus arteriosus is a pear-shaped organ which maintains the flow of the blood to the gill in the fish.

Thus, Bulbus arteriosus is correct.

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Identify the cavity that develops entirely from the mesoderm.
Irina-Kira [14]

Answer:

Coelom: A cavity that develops entirely within the mesoderm. The coelom is surrounded by a layer of epithelial cells derived from the mesoderm and termed the peritoneum.

Explanation:

7 0
2 years ago
How are the carbon, nitrogen and oxygen cycles similar
Sever21 [200]

Answer:

Firstly, they are all biogeochemical cycles. They cycle substances through the different systems. So this means that these substances like elements, compounds, and the like go through the hydrosphere, atmosphere, geosphere, and biosphere. It involves both the living and non-living things on Earth, all playing a role in transforming substances into something that can be used, only to be recycled again to provide for the other in a cyclic manner.

For example the oxygen cycle involves how oxygen is produced and used over and over. As we exhale Carbon Dioxide, it gets absorbed by plants which use it, along with water and light, to produce their own food in a process called photosynthesis. A by-product of this process is oxygen which we take in and use and we exhale Carbon dioxide again.

6 0
3 years ago
Biologists notice that a population of ferrets introduced into a reserve begins to show exponential growth. The figures represen
sesenic [268]

Answer:

A. 50, 88, 145, 227

Explanation:

The correct option would be option A.

<u>When something grows exponentially, it means the growth increased at a high rate. More specifically, each rate of increase results in more or less doubling of the preceding rate. For example, if the current value of growth rate is 2 for a substance that is growing exponentially, the next growth rates will be 4, 8, 16, etc.</u>

<em>In this particular illustration, the only option that best fit into an exponential system is option A in which the growth rate more or less doubles each time from 50 to 88, from 88 to 145, and then from 145 to 227.</em>

8 0
3 years ago
HELLLP
jeka57 [31]
60 million years is the answer.
6 0
3 years ago
How do you think your body uses each of these nutrients? Explain your reasoning.
EastWind [94]

Answer:

Vitamins also help your body use energy from the food you eat. Minerals are chemical elements that help regulate your body's processes. Potassium, for example, helps your nerves and muscles function. Calcium helps your teeth and bones stay strong.

4 0
3 years ago
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