In a young human adult,normal systolic blood pressure is about
A) 70 mm Hg.
B) 120 mm Hg.
C) 190 mm Hg.
D) 220 mm Hg.
E) 500 mm Hg.
Correct Answer:
Verified
Q24: From an evolutionary perspective,the occurrence of respiratory
Q25: In which organisms do skeletal muscles squeeze
Q26: The mammalian heart has
A)two ventricles and one
Q27: The nature of a circulatory system directly
Q28: The "pacemaker" of the heart is the
Q30: In single-celled organisms such as protozoa,_ is/are
Q31: Which component of the lymphatic system filters
Q32: The vertebrate respiratory organ that has the
Q33: Book lungs are found in
A)snails.
B)lobsters.
C)beetles.
D)spiders.
E)lizards.
Q34: Gas exchange structures of some marine annelids
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents