I think, materials collided due to strong gravitational forces..
The answer is; cancer occurs due to unregulated cell division
This causes them to proliferate causing a mass of cells and affect neighboring tissues. The cells are usually undifferentiated and therefore do not function properly as tissue. This unregulated division is due to malfunction of the tumor suppressor gene that is significant in cell cycle regulation and apoptosis.
Answer:
The correct answer is (b) epinephrine.
Explanation:
Epinephrine, also known as <em>Adrenaline</em>, is a hormone secreted by the medulla of the adrenal glands.
In medicine, epinephrine is used as a stimulant in cardiac arrest, as a vasoconstrictor in shock and as a bronchodilator and antispasmodic in bronchial asthma.
When epinephrine is inhaled in small doses, it causes short-term relief from the symptoms by widening the bronchial tubes allowing air to pass through.
I hope it helps!
Cells - tissues-organs-organs system-organisms
Answer is D) <span>Saliva changes the chemical composition of food
A enzyme is a catalyst for chemical reactions, meaning it either facilitates or initiates a chemical reaction. In this case, saliva uses enzymes to change the chemical composition of food into compounds that our body can easily process and turn into energy. </span>
