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SpyIntel [72]
3 years ago
10

Which best explains the circulation system within mammals?

Biology
1 answer:
Oliga [24]3 years ago
6 0

The correct answer is that mammals use a closed, double loop , four chambered heart as a circulatory system of the body.

The circulatory system of mammals is closed system that consists of four chambers, two articles and two ventricles. The deoxygenated blood comes into the heart from one loop and the oxygenated blood from other loop from the heart is circulated to the whole body. This is called as double circulation.

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Which organs are part of the excretory
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6 0
3 years ago
The bones of the fingers and toes (phalanges) are categorized as _____ bones.
ch4aika [34]

Answer: long

<span>The bones are classified into 5 types according to their shapes: long, irregular, short, flat or sesamoid. The phalanges (bones of the fingers and toes) are classified as long bones, meaning they are longer than they are wide. </span>

6 0
3 years ago
You are studying with a classmate, who explains that increasing the amount of nutrients in a lake helps submerged, rooted aquati
Nataly_w [17]

Answer:

E-You disagree because the resulting increase in phytoplankton at the surface would inhibit sunlight from penetrating into the water, thus inhibiting photosynthesis in the submerged plants.

Explanation:

Eutrophication is the process wherein nutrients specifically phosphorus and nitrogen are present in excess in a water body such as a lake. The increased concentration of nutrients promoter the growth of cyanobacteria and algae such as phytoplankton.

The increased population of phytoplankton in surface water reduces the oxygen availability and clarity of water for the organisms present in deeper layers.  Also, reduced clarity of water limits the amount of solar radiations penetrating the surface water to reach the deeper layers.

Increased nutrient levels of the lake would rather inhibit the growth of submerged plants due to reduced availability of sunlight as caused by presence of phytoplankton in surface water.  

5 0
4 years ago
Why is the consumption of fruits and vegetables important?
arlik [135]
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7 0
3 years ago
Lesson of the kaibab
fenix001 [56]
Hey, mind putting the question in the replies so I can answer this? Thanks.
7 0
4 years ago
Read 2 more answers
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