Name two muscles of human body which are ectodermal in origin.

Explanation

To answer the question about the two muscles of the human body that are ectodermal in origin, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Germ Layers**: The human body is composed of three primary germ layers: ectoderm, mesoderm, and endoderm. Each layer gives rise to different tissues and organs in the body.

2. **Identify the Ectoderm**: The ectoderm is the outermost layer and primarily develops into the skin, nervous system, and certain types of muscles. It is important to note that muscles originating from the ectoderm are typically associated with the nervous system.

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