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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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Function of nervous tissue​
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Nervous tissue is found in the brain, spinal cord, and nerves. It is responsible for coordinating and controlling many body activities. It stimulates muscle contraction, creates an awareness of the environment, and plays a major role in emotions, memory, and reasoning. To do all these things, cells in nervous tissue need to be able to communicate with each other by way of electrical nerve impulses. The cells in nervous tissue that generate and conduct impulses are called neurons or nerve cells. These cells have three principal parts: the dendrites, the cell body, and one axon.
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The photosynthetic pigments bacteriorhodopsin and proteorhodopsin are present in ________ and ________, respectively. The photos
DaniilM [7]

Answer:

A. Archaea / Bacteria

Explanation:

Bacteriorhodopsin is a protein used by Archaea, most notably by halobacteria, a class of the Euryarchaeota. It acts as a proton pump; that is, it captures light energy and uses it to move protons across the membrane out of the cell

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3 years ago
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How many nanometers are there in 520 meters?
Ganezh [65]

Answer:

520,000,000,000 Nanometers = A

Explanation:

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Question 15 (1 point)
ratelena [41]

Answer:

Fish is a species that has a spine. Although other species in that list have spines, fish is a representative vertebrate example when learning about them.

Explanation:

A vertebrate is a species that has a spine / multiple vertebrae.

<em>(I'm sorry if this was not the answer you're looking for)</em>

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For forensics:<br><br>What are the 4 main types of sand? How are they different?​
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molding sand, washed sand, beach sand, mason sand, and silica sand

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they all have different features and are better for certain things, for example some of silica sands features are

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Exact Mass: 59.966756 g/mol

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Melting Point: 3110°F

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