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My name is Ann [436]
3 years ago
12

Factors affecting heart rate

Biology
1 answer:
Genrish500 [490]3 years ago
4 0
1) breathing
2) emotional stress
3) physical stress
4) vagal stimulation
5) medications
6) illness
7) diseased heart
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to meet cellular needs for food,water,energy,waste removal,multicellular organisms have developed various specializations,such a
Dvinal [7]

Answer:

The correct answer will be- true and structural specializations

Explanation:

The evolution of life on earth has suggested that life has moved from the simplicity to complexity or from single-celled organism to multicellular organism.

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This lead to the formation of the organ and organs system specializes to perform specific functions like the digestive system and another biological system.

Thus, true and structural specializations are the correct answer.

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