Answer:
Explained below
Explanation:
Human body is made of chemicals. There are thousands of metabolic reactions occurring simultaneously inside our body. The sum total of all the chemical reactions in our body is called metabolism that involves catabolism and anabolism. A catabolic reaction is state that the breakdown of food to obtain energy and anabolic reaction uses this energy to synthesize larger molecule from smaller molecule. These reactions are critical for maintaining life.
First choice.
You can refer to any bio book to simply give you a brief summary for what each organ do and what juices each organ produce to digest what specific typr of material in your food.
NAD +molecule
Explanation:
Krebs cycle and electron transport chain are important steps in cellular respiration.
In the Krebs cycle, there is a need of NAD+ molecule which is then in Krebs cycle reduced to form a NADH2 molecule.
NADH2 is also an energy currency. It , giving electron in electron transport chain and return to Krebs cycle as NAD+.
Now in the Krebs cycle, it is ready to take electrons again.
Answer:
(a) Allow movement in only one plane/direction (that is extension or flexion)
(b) The skeletal system also produces blood cells in their bone marrow
<span>The correct answer should be d. The rainforest is important to life as a whole on the planet. Without them the global warming phenomenon would skyrocket because of massive spikes of carbon dioxide that is man made. Without them the animal biomes would also get destroyed because suddenly thousands and thousands of species would be left without a home so you would disrupt nature. Without them the Earth would be ravaged by bad things.</span>
