Home
Class 11
BIOLOGY
The last two pairs of ribs are named flo...

The last two pairs of ribs are named floating ribs because

A

Their sternal parts are attached to the sternum directly

B

Their sternal parts are attached on the th7 pair of ribs

C

Their sternal parts remain free and do not even reach the sternum

D

They float in the body cavity

Text Solution

Verified by Experts

The correct Answer is:
C
The eleventh and twelfth pair of ribs is designated as floating ribs because the coastal cartilages at the anterior end do not attach to the sternum at all. These ribs attach only posteriorly to the thoracic vertebrae
Promotional Banner

Similar Questions

Explore conceptually related problems

The last two pairs of ribs are called (i) ribs because they are (ii) to the breastbone in the front. Select the correct option for (i) and (ii).

The floating ribs are

Fill in the blanks spaces: (a) All mammals (except a few) have ______ cervical vertabra. (b) The number of phalanges in each limb of human a ______ (c) _____ and ____ pairs of ribs are called floating ribs. (d) the human cranium is made of ____ bones.

The number of floating ribs is

There are 11 pairs of ribs in man

11th and 12 the pairs of ribs are called