Various body parts are connected by connective tissues such as blood, bones, cartilage, tendons and ligaments. These tissues support organs, transport materials, connect muscles and bones, stabilise joints and maintain proper coordination throughout the body.
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Blood clotting is caused by platelets present in blood. When injury occurs, platelets gather at the wound and help form a clot, preventing excessive blood loss and protecting the body from harmful microorganisms entering through cuts.
Yes, we can consciously control voluntary movements using skeletal muscles attached to bones. Actions like walking, writing and lifting objects occur when the nervous system sends signals to skeletal muscles, causing coordinated movement in different body parts.
Yes, many body movements are involuntary and occur automatically without conscious control. Examples include heartbeat, digestion and movement of food in the intestine. Smooth muscles and cardiac muscles perform these essential activities continuously throughout life.
(i) Type B sprouted because it contained nodes with intercalary meristem. (ii) Type B had buds or nodes unlike type A. (iii) Sprouting and growth were observed. (iv) Water, soil, sunlight, temperature and cutting size should remain similar.