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dybincka [34]
3 years ago
14

2 body systems when shooting an arrow

Biology
1 answer:
Bogdan [553]3 years ago
5 0

Answer:

Muscle and bones? They work to shoot an arrow.

Explanation:

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In this session, you learned about the scientific method.
Ronch [10]

Answer:

objective observations

Explanation:

These observations are based on specific events that have already happened and can be verified by others as true or false.

Pretty sure I'm wrong

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3 years ago
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An olfactory stimulus travels from a receptor to the ________.
vlabodo [156]
The appropriate response is the Olfactory Bulb. It is a mind structure in charge of our feeling of smell. Situated at the tip of the olfactory projection, the knob forms data about smells in the wake of getting tangible contribution from the nose. 


The olfactory bulb is a heap of afferent nerve strands from the mitral and tufted cells of the olfactory globule that interfaces with a few target areas in the mind, including the piriform cortex, amygdala, and entorhinal cortex.
3 0
2 years ago
In your own words, explain why an earthworm cannot survive if it were cut in half. PLEASE HURRY​
Masja [62]
It cannot survive because an earth worm will not become 2 new worm. The head of the worm may survive and regenerate a tail. But if original tail of the worm may not survive because it will not be able to grow a new head or the rest of its vital organs and it will die. I hope this helps. :)
5 0
3 years ago
Cross bridge formation between myosin heads and actin molecules is caused by the elevation of calcium ion concentration in the c
almond37 [142]

Answer:

sarcoplasmic reticulum deteriorates and ATP production is stopped

Explanation:

Rigor mortis is the third stage of death characterized by stiffening of joints and muscles in body. The stiffening occurs because muscles are not able to return to the relaxed state. There are two reasons for rigor mortis, depletion of ATP and increase in calcium concentration in cytosol. Due to these factors the actin-myosin crossbridge is not able to break and the muscles remain in contracted state.

Sarcoplasmic reticulum deteriorates and calcium is released into the cytosol. Sarcolemma ( covering of muscle fiber ) also breaks down releasing extra calcium into the cytosol. Calcium is responsible for formation of actin-myosin cross bridge and when its concentration increases the bridge is formed continuously leading to stiffening of muscles and joints.  

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3 years ago
The meiotic division takes place
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Answer:

C reproductive cells ( sex cells)

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