Asked by Ashley Mercado on Jun 02, 2024
Verified
Mammals have all of the following characteristics except:
A) a diaphragm involved in breathing
B) a four-chambered heart
C) a merging of nasal and mouth cavities
D) milk from mother's mammary glands
Diaphragm
A muscular and membranous partition separating the thoracic cavity from the abdominal cavity, playing a critical role in the respiratory process by contracting and expanding to allow breathing.
Four-Chambered Heart
An anatomical feature of the heart, consisting of two atria and two ventricles, which efficiently separates oxygenated and deoxygenated blood, seen in mammals and birds.
Mammary Glands
Specialized organs in mammals that produce milk to nourish newborn offspring, present in both sexes but usually functional only in females.
- Describe the unique characteristics of mammalian species, including primates.
Verified Answer
BS
Balbinder SinghJun 07, 2024
Final Answer :
C
Explanation :
Mammals do not have a merging of nasal and mouth cavities. Instead, they have separate oral and nasal cavities, which allows for more efficient breathing and the ability to breathe while swallowing.
Learning Objectives
- Describe the unique characteristics of mammalian species, including primates.