Humerus with its rounded upper end (head) articulates into

Humerus articulates with the

Head of humerus articulates in the:

Trochlea of humerus articulates with the

Trochlea of humerus articulates with the

Trochlea of humerus articulates with the

(i)Draw a neat and labelled diagram of pectoral girdle with arm. (ii) Based on the diagram drawn above in (i), give a suitable term for each of the following descriptions : 1. Curved anterior bone of the shoulder (pectoral) girdle in vertebrates. 2. A shallow cavity of scapula that articulates with the head of the humerus. 3. Part of the skeleton that helps to articulate the limb bones to the main skeleton 4. Total number of bones present in the human body. 5. A long bone of the upper arm that articulates with the glenoid cavity of the scapula. 6. Irregular, small bones that look like pebbles and are present in two layers. 7. A large cup-shaped articular cavity of the hip bone which fits the large, round head of the thigh bone.

Assertion: Pectoral girdle articulates the with the axial skeleton while pelvic girdle articulates the upper limbs with the axiel skeleton. Reason: The two halves of the pelvic girdle meet ventrally to form the pubic symphysis containing hyaline cartilage.

Muscle fibres having rounded ends are

Muscle fibres having rounded ends are