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Tanya [424]
3 years ago
5

PLEASE ANSWER ASAP

Biology
1 answer:
N76 [4]3 years ago
3 0

Answer:

The nervous system, the circulatory system and the respiratory system.

Explanation:

Nervous system (more specifically the autonomic nervous system) controls perspiration

Circulatory system controls your heart rate

Respiratory system controls your breathing.

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Energy from the sun comes from fusion. what happens during this reaction
OverLord2011 [107]

Hydrogen atoms are compressed together by the enormous gravitational force of the sun, causing them to fuse int a helium atom (which is heavier than hydrogen), subatomic particles and enormous release of atomic energy. The attached picture shows the sequence of the main reaction at the core of the sun.






3 0
3 years ago
When an action potential arrives at the axon terminal of a motor neuron, which ion channels open?
HACTEHA [7]

Answer:

Calcium voltage gated ion channels

Explanation:

There are two types of ion channels involved in the neuromuscular junction and end plate potentials: voltage-gated ion channel (responsive to changes in membrane voltage which cause the voltage gated ion channel to open) and ligand-gated ion channel (responsive to certain molecules such as neurotransmitters).

The resting membrane potential of a motor neuron goes from -70mV to -50 with a higher concentration of sodium outside and a higher concentration of potassium inside. <em>When an action potential propagates down a nerve and reaches the axon terminal of the motor neuron, the change in membrane voltage causes the calcium voltage gated ion channels to open allowing for an influx of calcium ions. </em>These calcium ions cause the acetylcholine vesicles  to release acetylcholine via exocytosis into the synaptic cleft.

I hope you find this information useful and interesting! Good luck!

3 0
3 years ago
Explain one way that that the sun can change the state of matter (liquid, gas, and solids?
Law Incorporation [45]

Explanation:

For solid it could be melting into a liquid

for gas it could be Evaporating into a liquid

8 0
3 years ago
How do systems in organisms prove that organisms are related?
AveGali [126]
They all have these traits: <span>Cellular organization, Reproduction, Metabolism, Homeostasis, Heredity, Response to stimuli, Growth and development, and <span>Adaptation through evolution.</span></span>
8 0
3 years ago
Which two of these characteristics does an organism with bilateral symmetry possess?
Oksanka [162]
<span>Choices (b) and (c) are the most correct. Bilateral symmetry requires a central axis for there to be two halves. In addition, this type of symmetry requires a head, which will encounter the environment before any other part of the body and move in the direction of travel. Most animals exhibit this characteristic.</span>
6 0
3 years ago
Read 2 more answers
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