The heart is a hollow, -shaped, muscular pump within the cavity. The average adult heart is cm long and cm wide. The heart lies in the under the sternum

1.cone shaped

2.Thoraxic cavity

3.14cm long

4.9cm wide

5.Mediastinum

Explanation:

Heart is located in the thoraxic cavity just between the lungs. It has a cone shape about 14cm long,9cm wide an about 6cm thickness. A female heart is about 250-300gram and a male heart is 300-350gram,the heart has 4 chamber, 2 chamber above and 2 chamber below its include the auricle and ventricle. The hearts is responsible for circulation of blood and nutrients round the body system.

one is through turgidity. this occurs before ground tissue ( collenchyma

and sclerenchyma cells) become well

developed to give structural support to the plant as it grows bigger. the xylem

tissue (composed of rigid tissue) of the young

plant render this support and also maintaining osmotic turgidity of the surrounding

plant cells.