Answer:
Photosynthesis
Explanation:
The process by which land plants produce their own food using sunlight and carbon dioxide is known as photosynthesis. The leaves of green plants contain chlorophyll, which absorbs sunlight for producing food. This food is then used by the plant itself as well as other animals, including humans.
Answer:
There aren't any blood vessels in the epidermis; they're located right below it in the dermis, the middle layer of our skin. If you cut yourself and bleed, it means you've torn through the epidermis and left the dermis exposed.
Explanation:
Toward the end of depolarization, voltage-regulated <u>slow calcium</u> channels would open while the sodium channels close.
<h3>What is cardiac cycle?</h3>
Cardiac cycle can be defined as a complete heartbeat of the mammalian heart and it comprises sequential-alternating contraction and relaxation of the atria and ventricles, in order to allow blood flow unidirectionally (one direction) throughout the body.
<h3>The stages of cardiac cycle.</h3>
Based on scientific evidence, the cardiac cycle in living organisms happens in two (2) stages;
<h3>What is depolarization?</h3>
Depolarization of the mammalian heart is a process which involves an orderly passage of electrical current sequentially through the heart muscle within the four chambers (4) of the heart such as atria and ventricles.
Toward the end of depolarization of the mammalian heart, voltage-regulated <u>slow calcium</u> channels would open while the sodium channels close.
Read more on the heart here: brainly.com/question/75085
<h2><u>Answer:</u></h2>
The correct option is B (The longer-spined sea urchins existed before the shorter-spined sea urchins.)
<h3><u>Explanation:</u></h3>
The more drawn out spined ocean urchins existed before the shorter-spined ocean urchins.
Since the shorter spined urchins are higher up, that demonstrates that they developed from the more drawn out spined urchins, implying that having the shorter spines was useful to them as an animal types, so the shorter spines came AFTER the more extended spines.
Answer:
Heterogeneous mixtures are substances not mixed together.
Explanation:
I hope that is right
