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maria [59]
3 years ago
9

How will the body benefit from the movement of the rib cage when breathing?

Biology
1 answer:
alisha [4.7K]3 years ago
4 0
When you breathe your diaphragm contracts and moves downwards. This increases the space in your chest cavity, and it allows your lungs to expand into it. This is beneficial because it decreases pressure and drives air into our lungs
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Please help me name each letter and match it to the definition.
lukranit [14]

Answer:

1. B. Medulla oblongata contains cardiac, respiratory, vasomotor and reflex centers.

2. A. Hypothalamus is the major regulator of ANS

3. D. Occipital lobe is the location of visual cortex.

4. F. Sensory areas are primary site responsible for perceiving cutaneous sensory sensations and proprioception.

5. E.Motor areas directs conscious motor movement

6. C. Cerebellum - coordinates movement by comparing intended movement with actual movement.

7. K. Corpus callosum allows communication between right & left cerebral hemispheres.

8. J. Frontal Lobe - Cognition, personality.

9. A. Hypothalamus - Contains hunger, thirst and thermoregulatory centers.

5 0
2 years ago
Please answer BOTH. I don't think I'm right on #30. 10 points. Correctly please. Asap thanks
boyakko [2]
#30 is C
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8 0
3 years ago
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Which explains how the advantage of genetic variation through sexual reproduction occurs?
dezoksy [38]

Division of body cells results in a greater variety of traits

8 0
3 years ago
In a well-balanced ecosystem, squirrels eat nuts, raccoons feed on squirrels, and bears feed on raccoons. It was observed that t
BlackZzzverrR [31]
Trophic levels go by, 
Producer (The nuts)
Primary Consumer (Squirrels)
Secondary Consumer (Raccoons)
Tertiary Consumer (Bear)


So squirrels would be at a lower trophic level.
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7 0
3 years ago
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Apart from muscles contracting, what other types of activities has your body done in the past 24 hours that require energy? Comp
Novay_Z [31]

Answer:

Digestion, excretion and transportation of substances.

Explanation:

Chemical reactions such as breakdown of food, cleaning of blood and absorption of nutrients and digestion are the activities that our body done with the use of energy. Digestion of food needs energy for the breakdown of food with the help of several enzymes. Transportation of waste materials and other substances also needs energy. Our cells absorb nutrients with the help of energy molecules through active transport.

7 0
2 years ago
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