AP Board Class 9 Biology Chapter 3 Animal Tissues

Students are introduced to the topic of plant tissues in Chapter 2. Continuing in the same line, in Chapter 3 of AP Board Class 9 Biology textbook, students will study about animal tissue and they will observe the different types of functions that are carried out by the different type of animal tissues.

Different Types of Animal Tissues

Animal tissues are mostly classified as epithelial, connective, muscular and nervous tissue.

  1. Epithelial tissues are present in the skin, lining of blood vessels, lining of the mouth, kidney tubules and lung alveoli. Epithelial tissue is further classified as cuboidal, columnar, squamous, ciliated and glandular.
  2. Connective tissues are tissues that connect the organs and muscles. There are different types of connective tissues which include adipose tissue, tendon, cartilage, ligament, bone, areolar tissue and blood.
  1. Muscular tissues are tissues that consist of elongated cells called muscle fibres. This tissue is responsible for movement in our body. Striated, unstrained and cardiac are three types of muscle tissues.
  2. Nervous tissue is mainly made of neurons, which help to receive and conduct impulses.

Students can view some of the questions below to know some of the important chapter topics as well.

Question 1: What is the specific function of the cardiac muscle?

Answer: The cardiac muscle is responsible for controlling the contraction and relaxation of the heart.

Question 2: Why does our body shiver during winters or in cold weather?

Answer: Whenever our bodies are exposed to cold air, we shiver because the muscles in our body contract and relax while producing a large amount of heat.

Question 3: What are the constituents of the blood?

Answer: The blood mainly consists of plasma, red blood cells (RBC), white blood cells (WBC), and Platelets.

Keep visiting BYJU’s to learn more about important Class 9 Science topics. Get access to various Andhra board study materials like question papers and more.

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