Ipmac

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Biology third secondary:
1- Support and movement.
a- Human skeletal system.
b- Muscular system
c- Types of joints.
d- Muscle contraction and relaxation.
2- Reproduction in plants and animals.
a- Asexual reproduction
b- Sexual reproduction in plants and animals
c- Male and female reproductive system
d- Embryo development.
e- Contraceptive methods.

Types of joints. There are several types of joints in the human body, each serving a different purpose and allowing for various types of movement. Here are some of the main t...