INTRODUCTION

We are a group of first-year students of that from the Cristóbal Colón school who have created this blog to teach you all the functions of living beings. We would be delighted to receive comments and resolve all the doubts that arise from our posts.

FERTILIZATION. EMBRYONIC AND POST-EMBRYONIC DEVELOPMENT

 Fertilization is the fusion of gametes: and ovum and a sperm. When the nuclei of the ovum and sperm combine, they form a zygote.

REPRODUCTION

 REPRODUCTION

Reproduction is the biological process which produces new individual organisms.It guarantees that the species will continue to exist.Living things,progenitors ,are able to multiply and generate new living things called young or descendants.

THE MUSCULOSKELETAL SYSTEM

Animals often respond to a stimulus with movement, which is made possible by the musculoeskeletal system. Movement can take place without changing position, like closing eyelids, or it can lead to a change in position, like flying. This system consists of two structures: the skeleton and the muscles.