Answer:
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
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They allow the heart to pump more blood by decreasing the ESV.
These animals were preyed upon by equally large carnivores such as saber toothed cats, cave bears and dire wolves.
Btw it's (QUATERNARY) *
The mitochondria is the powerhouse of the cell. on a serious note, The most prominent roles of mitochondria are to produce the energy currency of the cell through respiration, and to regulate cellular metabolism
Answer:
Neurons are similar to other cells because neurons have a cell membrane, a nucleus, cytoplasm, mitochondria, organelles, and carry out processes such as energy production.
Neurons differ from other cells because neurons have extensions called axons and dendrites, they communicate with each other through an electrochemical process which we just talked about, and neurons have specialized structures such as synapses and chemicals such as neurotransmitters.
Explanation:
there you go
