Question

1) Describe the events, that place in human beings movements like : Flexion, Extension, Abduction, Rotation of Skeletal muscles.
2) Determine the privilege in artificial asexual reproduction through tissue culture ?​

Answer 1

Answer:

1 ) Joint Shoulder

Type Ball and socket

Bones Humerus, scapula

Movement Flexion, extension, abduction, adduction, rotation, circumduction.

2) Natural methods of asexual reproduction include strategies that plants have developed to self-propagate. Many plants—like ginger, onion, gladioli, and dahlia—continue to grow from buds that are present on the surface of the stem. In some plants, such as the sweet potato, adventitious roots or runners can give rise to new plants (Figure 1). In Bryophyllum and kalanchoe, the leaves have small buds on their margins. When these are detached from the plant, they grow into independent plants; or, they may start growing into independent plants if the leaf touches the soil. Some plants can be propagated through cuttings alone.