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Feliz [49]
4 years ago
7

Cells in the human eye send nerve impulses to the brain that cause the pupil to constrict. this is an example of a reaction to w

hat kind of stimuli?
A.Chemicals
B.Light
C.Touch
D.Sound
Biology
2 answers:
4vir4ik [10]4 years ago
8 0
The answer is : LIGHT
hoa [83]4 years ago
7 0
A. chemicals, the constriction of the pupil are usually caused by opiates anti-hypertension drugs.
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Flowers and fruits

Explanation:

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In the given features all the provided options are present in the vascular plants and absent in the non-vascular plants but flowers and fruits are the option which is found in some vascular plants especially in the plants of the angiosperm families and are absent in non-vascular plants also.

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what determines the difference in speed of contraction of the different types of skeletal muscle cells?
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<h3>Which cell types make up skeletal muscle?</h3>

These cells to make up muscular tissue are referred to as myocytes, or muscle cells.The human body contains three different types of muscle cells: cardiac, skeletal, or smooth.

<h3>How many different types of cells exist?</h3>

Your body has roughly 200 different kinds of cells.These cells help to build your tissues and organs as well as your immune system, which works to protect your body.Your body regularly replaces its dead cells with new ones.

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Bezzdna [24]

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The correct answer is option A. It answers scientific questions as accurately and completely as  possible.

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The scientific process involves these steps in order - observation, forming a question, making a hypothesis, experiment to test, analyze the experiment data and result, and conclusion based on analyzing.

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