What is common in whale, bat and rat?
Correct answer: B. Muscular diaphragm between thorax and abdomen
- A. Absence of neck
- B. Muscular diaphragm between thorax and abdomen
- C. Extraabdominal testes to avoid high temperature of body
- D. Absence of body hair
Explanation
Whale, bat and rat are mammals. Diaphragm is present in mammals. The diaphragm separates the thoracic cavity (with lung and heart) from the abdominal cavity (with digestive system and urogenital system). In its relaxed state, the diaphragm is shaped like a dome. It is controlled by the phrenic nerve.
Last updated
Related questions
1. Fertilization_. 2. Digestive system_.3. Excretion by_.Fill in the blanks for the organism given in the below figure:
80% of the food of sponges consists of which of the following?
80% of the food of sponges consists of which of the following?
A blue colored respiratory pigment called hemocynanin is found in:
A body cavity completely surrounded by tissue derived from the mesoderm that provides cushioning for internal organs is called