To explain this, let's go back to the fertilization:
The identical twins are formed by an association of one spermatozoid and one ovule to form an egg. this egg will start growing and suddenly divide into 2 eggs, to give afterward 2 individual with the same genes.
The fraternal twin comes from two different spermatozoids which will fertilize one ovule each, and give 2 different individuals sharing half of their genes.
In this case, both phenomena happened. It means there were three spermatozoids fertilizing one ovule each. And one of the eggs divided into 2 eggs. it ended by 2 <span>eggs which are different and 2 eggs which came from the same one.</span>
Answer:
Its main function is to allow the unobstructed passage of air to and from the lungs. The trachea is a fairly rigid structure and a good deal of force is ... the lungs and thus oxygen cannot be exchanged and transported to the cells of the body. At its lower end, the trachea divides into two
Explanation:
its not the correct answer bbut i just dont knoe
Answer:
B. opposite
Explanation:
third law of motion states that, 'for every action, there is an equal and <u>opposite</u> reaction.'
pls give brainliest for the answer
Psychosis is a critical disorder in which the patient has lost their ability to distinguish their thoughts and emotions from each other. Hallucinations are sensations where a patient sees and/or hears something that isn't there.
Heart beats increase for no reason or skips beats sometimes because of anxiety or stress. When the body is put under too much stress, it needs to act out and normally it is through your heart palpitations.
Your answer is: Stress and anxiety
Have an amazing day!
