Answer:It is called The Foramen Magnum
Explanation: It is a large oval opening linking the Spinal cord and the Brain
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Answer:
The correct option is d (photosynthesis)
Reason:
Photosynthesis and respiration falls in the category of bioenergetics and metabolism, because photosynthesis end product is glucose which is utilized in respiration to produce ATP.
Air passes through is: Nostrils → nasal cavity →Pharynx → Larynx →Trachea → Bronchi (with cartilaginous rings) →Bronchioles (without rings) → Alveoli (air sacs). Alveoli are the seat of exchange of O2 / CO2 between lungs and blood.
Earthworms have no special respiratory organs. Gases are exchanged through the moist skin and capillaries
Answer:
B
Explanation:
a group of diseases that cause progressive weakness and loss of muscle. Abnormal genes interfere with the production of proteins needed to form healthy muscles. There are many forms of Muscular Dystrophy.
