A: The testes are the part of the endocrine system and are the reproductive glands.
Answer: True.
Explanation:
The Valsalva maneuver is performed by forcibly exhaling against a closed airway. Maneuver variations can be used either in medicine, as a test of cardiac function and autonomic nervous control of the heart. A modified version is done by expiring against a closed glottis. This will bring forth the cardiovascular responses but will not force air into the eustachian tubes.
Protein is a polymer of amino acids. And is made up of peptide chains. There are 5 types of proteins structural proteins storage proteins hormonal proteins enzyme proteins immunoglobulins proteins
The two years are between 12 and 15
It includes clouding of the lens