Which 2 statements are true about a system

1 answer:

7 0

(1) A system can refer to a organs that work together for digestion.

(2)A system is a set of rules, an arrangement of things with a group of related things that work toward a common goal.

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Neurons in the parasympathetic pathway use which neurotransmitters?

Kay [80]

<h2>Acetylcholine</h2>

Explanation:

Acetylcholine is a chemical that is found between the nerve synapses, or gaps, between nerve cells. When activated, it causes the contraction of skeletal muscles and activates glandular functions in the endocrine system. Think of acetylcholine as a mailperson; residents cannot receive their mail until he or she comes and delivers it to the mailbox. Like mailpersons who deliver the mail and move on to the next house, acetylcholine acts quickly and does not hang around. As a result, acetylcholine is rapidly broken down by another chemical substance called cholinesterase.
Acetylcholine was the first neurotransmitter scientists discovered, as well as the most abundant neurotransmitter in the body. A neurotransmitter is a chemical that is released by a neuron, or nerve cell, that sends a signal to another neuron across a synapse. The neurotransmitter binds to receptors to affect how the signal is received. The purpose of the neurotransmitter is to either amplify or inhibit the signals sent between the neurons.
Acetylcholine plays an important role in the signal of muscle movement, sensation of pain, learning and memory formation, the regulation of the endocrine system and rapid eye movement (REM) sleep cycles.

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What is basement membrane? and what is it made up of ? in detail plss help

lilavasa [31]

Basement membranes are thin, dense sheets of specialized, self- assembled extracellular matrix that surround most animal tissues. The basement membrane is a fibrous matrix composed primarily of glycoproteins, type IV collagen, and laminin that are secreted by the epithelial cells.

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If you pick up a novel object that you've never seen before and run your fingers along it to get a better sense of its shape, yo

Diano4ka-milaya [45]

E because i looked on quizlet idk look up the answer sorry

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PLEASE HELP ASAP!! 20 POINTS AND BRAINLIEST!!

True [87]

1.Tt
2.tt
3.Tt
4.tt

HOPE IT HELPS YOU '_'

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Read 2 more answers

The purpose of mendel's experiments with dihybrid crosses was to determine whether

pshichka [43]

to determine whether traits can be inherited independently

Explanation:

the use of dihybrid crosses allowed him to discover the law of independent assortment / discovering that each locus had 2 alleles which segregate during the creation of gametes.

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