This is astronomy not biology,
But anywho, From what I can remember, Copernicus's heliocentric theory stated that the planets orbited in perfectly circular orbits. In reality, they are shaped like ellipses (ovals).
Whether the effect of a neurotransmitter is excitatory or inhibitory depends on the receptor it binds to.
<h3>What is Neurotransmitter?</h3>
A neurotransmitter may be defined as the chemical substances present within the synaptic vesicles and transmitting the impulse through synapses.
Examples of excitatory neurotransmitters are glutamate, norepinephrine, epinephrine, etc. Such neurotransmitters promote the electrical impulse and allow the passage of messages.
Examples of inhibitory neurotransmitters are serotonin, glycine, GABA, etc. Such neurotransmitters inhibit the passage of electrical impulses and block information.
Therefore, it is well described above.
To learn more about Neurotransmitters, refer to the link:
brainly.com/question/26387085
#SPJ1
Answer: B. Tendon
Explanation:
A tendon is a fibrous connective tissue which attaches muscle to bone. A tendon serves to move the bone or structure. Tendons may also attach muscles to structures such as the eyeball. While a ligament is a fibrous connective tissue which attaches bone to bone, and usually serves to hold structures together and keep them stable.
A bursa is a tiny fluid-filled sac that functions as a gliding surface to reduce friction between tissues of the body. The plural of bursa is bursae. There are 160 bursae in the body. The major bursae are located adjacent to the tendons near the large joints, such as the shoulders, elbows, hips, and knees.
A fascia is a band or sheet of connective tissue, primarily collagen, beneath the skin that attaches, stabilizes, encloses, and separates muscles and other internal organs. From the various definitions given above shows that the tendon is the correct answer to the question asked.
Answer:
What is a good example of a response-based definition of stress?
Bruce experiences stress because his heart rate increased when he noticed Jack had a knife.
Explanation:
Stress can have many different causes. In this case, it is produced by seeing danger in Jack by having a knife. His heart rate increases because this is a common response in stress, which would enable people to scape. It is important to control stress lebels.
A stressor is distinguished as a threat. If someone anticipates that it could lead to some kind of harm, loss, or other negative consequence. However, if you see the positive side and believe that it carries the potential for gain or personal growth, it would be appraised as a Challenge.
