A Very Short Answer Questions (Answer in a word or a sentence).
1. What is bone marrow ?
2. Which type of fin help the fish in its movement ?
3. How many movable bones does the skull have ?
4. Name the bones present in the upper arm of human body.
5. Which property of muscles is responsible for movement of bones?
Answers
Explanation:
1.Bone marrow is a spongy substance found in the center of the bones.
2.This motion moves them forward through the water. Fish use their back fin, called the caudal fin, to help push them through the water. The fish's other fins help it steer.
3.one movable joint.
4.Humerus. The humerus is a long bone in the upper arm. It's located between the scapula and the elbow joint. Many muscles and ligaments in the arm are attached to the humerus.
5.Muscle tissue is characterized by properties that allow movement. Muscle cells are excitable; they respond to a stimulus. They are contractile, meaning they can shorten and generate a pulling force. When attached between two movable objects, in other words, bones, contractions of the muscles cause the bones to move.
Answer:
1. Bone marrow is a spongy substance found in the center of bones.
2. Fish use their back fin known as caudal fin for movement.
3. There is only one movable joint in our skull.
4. The bones present in our upper arm are humerus bones,and two forearm bones.
5.Muscle tissue is responsible for the movement of bones.
Hope it will help