s

savana69

AllVideosLiveAbout
    the notochord is only found in embryos
    0:51

    the notochord is only found in embryos

    Birds have developed cerebrum, cerebellum, and midbrain.
    0:54

    Birds have developed cerebrum, cerebellum, and midbrain.

     1  view
    of the striatum of birds,
    0:54

    of the striatum of birds,

     1  view
    Vision is affected
    0:54

    Vision is affected

     2  views
    The cerebral cortex of birds is not developed
    0:54

    The cerebral cortex of birds is not developed

     1  view
    Experiments have shown that after removing part of the striatum of birds
    0:54

    Experiments have shown that after removing part of the striatum of birds

    In birds, the striatum is an advanced site that manages movement
    0:54

    In birds, the striatum is an advanced site that manages movement

     1  view
    larger cerebral hemispheres,
    0:54

    larger cerebral hemispheres,

     1  view
    Has a developed nervous system and senses.
    0:54

    Has a developed nervous system and senses.

     1  view
    Has endocrine glands that can divide hormones (hormones)
    0:54

    Has endocrine glands that can divide hormones (hormones)

     1  view
    The circulatory system includes the heart, arteries, veins, and blood vessels
    0:54

    The circulatory system includes the heart, arteries, veins, and blood vessels

    have a complete digestive system,
    0:54

    have a complete digestive system,

     1  view
    The body is covered by the epidermis and dermis
    0:54

    The body is covered by the epidermis and dermis

     1  view
    For example, eyes, ears, etc., brain and sensory organs are concentrated in the head, which can
    0:54

    For example, eyes, ears, etc., brain and sensory organs are concentrated in the head, which can

    has a prominent head
    0:54

    has a prominent head

    spine protects the spinal cord
    0:54

    spine protects the spinal cord

    vertebrate
    0:54

    vertebrate

    According to the latest animal definition recommended by zoo3 authority, it is defined as
    0:54

    According to the latest animal definition recommended by zoo3 authority, it is defined as

     2  views
    Animals are a type of creatures in nature
    0:54

    Animals are a type of creatures in nature

     1  view