PLEASE SOLVE THE QUESTION TOMORROW IS MY EXAM ?
Answers
Answer:
sorry I don't know this question
1. Parenchyma
It consists of thin-walled living cells.
They are involved in food storage.
Comprises of thin cell wall and made up of cellulose.
Collenchyma
It consists of thin-walled living cells.
They are the chief mechanical tissue in young plants, particularly dicot stems.
Comprises of uneven cell wall and is made up of pectin and hemicellulose.
Sclerenchyma
It consists of dead cells.
It is mainly a mechanical tissue.
Comprises of hard and thick cell wall and is made up of the lignin.
2. The specific function of the cardiac muscle is to regulate the functioning of the heart by the relaxation and contraction of the heart muscles.
It works to keep our heart pumping through involuntary movements.
3. Striated Muscles
- They are cylindrical in shape and multi nucleate.
- They are present in body parts such as hands and legs.
Unstriated Muscles
- They are spindle shaped and uninucleate.
- They are present in the wall of food canal, stomach, mouth, iris etc.
Cardiac Muscles
- They are cylindrical branched and uninucleate.
- They are present in the heart.
4. Please refer the attachment for this answer.
5. Immunization is a process in which an organism is made immune to fight against the disease causing pathogen. This is done by administration of vaccines.
6. Infectious diseases commonly spread through the direct transfer of bacteria, viruses or other germs from one person to another. This can happen when an individual with the bacterium or virus touches, or coughs or sneezes on someone who isn't infected.
Are you in class 9th? I am also in 9th and I have my science exam on Thursday. All the best for your examination
